diff --git a/druid/components/button.lua b/druid/components/button.lua
index 357fd5f..d57f388 100644
--- a/druid/components/button.lua
+++ b/druid/components/button.lua
@@ -1,6 +1,6 @@
 local M = {}
 
-local ui_animate = require "modules.ui.ui_animate"
+local ui_animate = require "druid.help_modules.druid_animate"
 
 M.DEFAULT_SCALE_CHANGE = vmath.vector3(-0.05, - 0.1, 1)
 M.DEFAULT_POS_CHANGE = vmath.vector3(0, - 10, 0)
diff --git a/druid/components/counter.lua b/druid/components/counter.lua
index ef708bb..35b1389 100644
--- a/druid/components/counter.lua
+++ b/druid/components/counter.lua
@@ -1,6 +1,6 @@
 local M = {}
 
-local text_field = require "modules.ui.components.text_field"
+local text_field = require "druid.components.text_field"
 
 local FRAMES = 60
 
diff --git a/druid/components/flying_particles.lua b/druid/components/flying_particles.lua
index 5b29d26..0c0edcd 100644
--- a/druid/components/flying_particles.lua
+++ b/druid/components/flying_particles.lua
@@ -1,6 +1,6 @@
 local M = {}
 
-local ui_animate = require "modules.ui.ui_animate"
+local ui_animate = require "druid.help_modules.druid_animate"
 
 local function fly_to(instance, pos_from, speed, callback)
   local pos_to = instance.get_pos_func()
diff --git a/druid/components/image.lua b/druid/components/image.lua
index d6cdf7a..97af383 100644
--- a/druid/components/image.lua
+++ b/druid/components/image.lua
@@ -1,6 +1,6 @@
 local M = {}
 
-local ui_animate = require "modules.ui.ui_animate"
+local ui_animate = require "druid.help_modules.druid_animate"
 
 --- Bounce image
 function M.bounce(instance)
diff --git a/druid/components/scrolling_box.lua b/druid/components/scrolling_box.lua
index b4c05f2..8618335 100644
--- a/druid/components/scrolling_box.lua
+++ b/druid/components/scrolling_box.lua
@@ -1,8 +1,7 @@
 local M = {}
 
-local input = require "modules.input.input"
-local ui_animate = require "modules.ui.ui_animate"
-local extra_math = require "modules.utils.extra_math"
+local druid_input = require "druid.help_modules.druid_input"
+local ui_animate = require "druid.help_modules.druid_animate"
 
 M.START = hash("START")
 M.FINISH = hash("FINISH")
@@ -62,13 +61,18 @@ local function checkSwipeDirection(swipe, action)
   end
 end
 
+function lenght(x1, y1, x2, y2)
+  local a, b = x1 - x2, y1 - y2
+  return math.sqrt(a * a + b * b)
+end
+
 local function back_move(instance)
   if not instance.swipe.end_position_x and not instance.swipe.end_position_y then
     if instance.points_of_interest then
       local min_index, min_lenght = 0, math.huge
       local len
       for k, v in pairs(instance.points_of_interest) do
-        len = extra_math.lenght(instance.pos.x, instance.pos.y, v.x, v.y)
+        len = lenght(instance.pos.x, instance.pos.y, v.x, v.y)
         if len < min_lenght then
           min_lenght = len
           min_index = k
@@ -130,14 +134,14 @@ end
 -- @param action_id - input action id
 -- @param action - input action
 function M.on_input(instance, action_id, action)
-  if action_id == input.A_CLICK then
+  if action_id == druid_input.A_CLICK then
     if gui.pick_node(instance.scrolling_zone, action.x, action.y) then
       local swipe = instance.swipe
       if action.pressed then
         swipe.pressed = true
         swipe.beginX = action.x
         swipe.beginY = action.y
-        input.is_swipe = false
+        druid_input.is_swipe = false
         swipe.end_move_coef_x = 1
       elseif not action.released and not action.pressed and not swipe.special_move then
         swipe.endX = action.x
diff --git a/druid/components/tabs_container.lua b/druid/components/tabs_container.lua
index 7286911..4a45820 100644
--- a/druid/components/tabs_container.lua
+++ b/druid/components/tabs_container.lua
@@ -1,19 +1,19 @@
 local M = {}
 
-local helper = require "modules.render.helper"
-local tab_page = require "modules.ui.components.tab_page"
+--local helper = require "modules.render.helper"
+local tab_page = require "druid.components.tab_page"
 
 local DISABLE = hash("disable")
 
 function M.update_sizes(instance, width)
-  width = width or helper.config_x
+ -- width = width or helper.config_x
   instance.left = vmath.vector3(width * - 1, 0, 0)
   instance.right = vmath.vector3(width * 1, 0, 0)
 end
 
 --- Called when layout updated (rotate for example)
 function M.on_layout_updated(instance, message)
-  local width = helper.settings_x
+ -- local width = helper.settings_x
   M.update_sizes(instance, width)
 end
 
diff --git a/druid/components/text_field.lua b/druid/components/text_field.lua
index 94d08e7..fbc6eb1 100644
--- a/druid/components/text_field.lua
+++ b/druid/components/text_field.lua
@@ -1,6 +1,6 @@
 local M = {}
 
-local ui_animate = require "modules.ui.ui_animate"
+local ui_animate = require "druid.help_modules.druid_animate"
 
 --- Bounce text field
 function M.bounce(instance, callback)
diff --git a/druid/components/timer.lua b/druid/components/timer.lua
index 68b4ba9..3f7329d 100644
--- a/druid/components/timer.lua
+++ b/druid/components/timer.lua
@@ -1,6 +1,6 @@
 local M = {}
 
-local formats = require "modules.utils.formats"
+local formats = require "druid.help_modules.formats"
 
 --- Set text to text field
 -- @param set_to - set value in seconds
diff --git a/druid/ui_factory.lua b/druid/druid.lua
similarity index 91%
rename from druid/ui_factory.lua
rename to druid/druid.lua
index 840eb9c..4c34465 100644
--- a/druid/ui_factory.lua
+++ b/druid/druid.lua
@@ -1,23 +1,22 @@
 local M = {}
 
-local lang = require "modules.localize.lang"
-local input = require "modules.input.input"
-M.input = input
+local druid_input = require "druid.help_modules.druid_input"
+M.input = druid_input
 
-local pie_progress_bar = require "modules.ui.components.pie_progress_bar"
-local progress_bar = require "modules.ui.components.progress_bar"
-local flying_particles = require "modules.ui.components.flying_particles"
-local text_field = require "modules.ui.components.text_field"
-local counter = require "modules.ui.components.counter"
-local image = require "modules.ui.components.image"
-local button = require "modules.ui.components.button"
-local timer = require "modules.ui.components.timer"
-local tab_page = require "modules.ui.components.tab_page"
-local tabs_container = require "modules.ui.components.tabs_container"
-local spine_anim = require "modules.ui.components.spine_anim"
-local scrolling_box = require "modules.ui.components.scrolling_box"
+local pie_progress_bar = require "druid.components.pie_progress_bar"
+local progress_bar = require "druid.components.progress_bar"
+local flying_particles = require "druid.components.flying_particles"
+local text_field = require "druid.components.text_field"
+local counter = require "druid.components.counter"
+local image = require "druid.components.image"
+local button = require "druid.components.button"
+local timer = require "druid.components.timer"
+local tab_page = require "druid.components.tab_page"
+local tabs_container = require "druid.components.tabs_container"
+local spine_anim = require "druid.components.spine_anim"
+local scrolling_box = require "druid.components.scrolling_box"
 
-local andr_back_btn = require "modules.ui.components.andr_back_btn"
+local andr_back_btn = require "druid.components.andr_back_btn"
 
 local LAYOUT_CHANGED = hash("layout_changed")
 local ON_MESSAGE = hash("on_message")
@@ -117,7 +116,7 @@ end
 local function input_init(factory)
   if not factory.input_inited then
     factory.input_inited = true
-    input.focus()
+    druid_input.focus()
   end
 end
 
@@ -269,8 +268,8 @@ M.BTN_SOUND_DISABLE_FUNC = function()end
 function M.new_button(factory, name, callback, params, animate_node_name, event, action, sound, sound_disable)
   input_init(factory)
   local instance = create(button, factory, name, ON_INPUT)
-  instance.event = event or input.A_CLICK
-  instance.action = action or input.RELEASED
+  instance.event = event or druid_input.A_CLICK
+  instance.action = action or druid_input.RELEASED
   instance.anim_node = animate_node_name and gui.get_node(animate_node_name) or instance.node
   instance.scale_from = gui.get_scale(instance.anim_node)
   instance.scale_to = instance.scale_from + button.DEFAULT_SCALE_CHANGE
@@ -290,8 +289,8 @@ end
 function M.new_back_handler(factory, callback)
   input_init(factory)
   local instance = create(andr_back_btn, factory, nil, ON_INPUT)
-  instance.event = input.A_ANDR_BACK
-  instance.action = input.RELEASED
+  instance.event = druid_input.A_ANDR_BACK
+  instance.action = druid_input.RELEASED
   instance.callback = callback
   return instance
 end
@@ -304,7 +303,7 @@ end
 -- @param callback - call when change page
 -- @return instance that represents the tab page
 function M.new_tab_page(factory, name, easing, duration, callback)
-  local instance = create(tab_page, factory, name, ON_MESSAGE)
+  local instance = create(tab_page, factory, name, M.EVENTS.ON_MESSAGE)
   instance.in_pos = gui.get_position(instance.node)
   instance.out_pos = gui.get_position(instance.node)
   instance.easing = easing or tab_page.DEFAULT_EASING
diff --git a/druid/ui_animate.lua b/druid/help_modules/druid_animate.lua
similarity index 100%
rename from druid/ui_animate.lua
rename to druid/help_modules/druid_animate.lua
diff --git a/druid/input.lua b/druid/help_modules/druid_input.lua
similarity index 99%
rename from druid/input.lua
rename to druid/help_modules/druid_input.lua
index 114c9bd..21ac43a 100644
--- a/druid/input.lua
+++ b/druid/help_modules/druid_input.lua
@@ -2,7 +2,6 @@ local M = {}
 
 local ADD_FOCUS = hash("acquire_input_focus")
 local REMOVE_FOCUS = hash("release_input_focus")
-
 local PATH_OBJ = "."
 
 M.A_CLICK = hash("click")
diff --git a/druid/help_modules/formats.lua b/druid/help_modules/formats.lua
new file mode 100644
index 0000000..b32ffaa
--- /dev/null
+++ b/druid/help_modules/formats.lua
@@ -0,0 +1,34 @@
+local M = {}
+
+local ZERO = "0"
+
+-- Return number with zero number prefix
+-- @param num - number for conversion
+-- @param count - count of numerals
+-- @return string with need count of zero (1,3) -> 001
+function M.add_prefix_zeros(num, count)
+  local result = tostring(num)
+  for i = string.len(result), count - 1 do
+    result = ZERO..result
+  end
+  return result
+end
+
+-- Convert seconds to string minutes:seconds
+-- @param num - number of seconds
+-- @return string minutes:seconds
+function M.second_string_min(sec)
+  local mins = math.floor(sec / 60)
+  local seconds = math.floor(sec - mins * 60)
+  return string.format("%.2d:%.2d", mins, seconds)
+end
+
+-- Interpolate string with named Parameters in Table
+-- @param s - string for interpolate
+-- @param tab - table with parameters
+-- @return string with replaced parameters
+function M.interpolate_strinng(s, tab)
+  return (s:gsub('($%b{})', function(w) return tab[w:sub(3, -2)] or w end))
+end
+
+return M
diff --git a/druid/ui_helper.lua b/druid/help_modules/ui_helper.lua
similarity index 100%
rename from druid/ui_helper.lua
rename to druid/help_modules/ui_helper.lua
diff --git a/example/example.collection b/example/example.collection
new file mode 100644
index 0000000..42fe135
--- /dev/null
+++ b/example/example.collection
@@ -0,0 +1,37 @@
+name: "main"
+scale_along_z: 0
+embedded_instances {
+  id: "go"
+  data: "components {\n"
+  "  id: \"example\"\n"
+  "  component: \"/example/example.gui\"\n"
+  "  position {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "  }\n"
+  "  rotation {\n"
+  "    x: 0.0\n"
+  "    y: 0.0\n"
+  "    z: 0.0\n"
+  "    w: 1.0\n"
+  "  }\n"
+  "}\n"
+  ""
+  position {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+  }
+  rotation {
+    x: 0.0
+    y: 0.0
+    z: 0.0
+    w: 1.0
+  }
+  scale3 {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+}
diff --git a/example/example.gui b/example/example.gui
new file mode 100644
index 0000000..12b1015
--- /dev/null
+++ b/example/example.gui
@@ -0,0 +1,10 @@
+script: "/example/example.gui.gui_script"
+background_color {
+  x: 0.0
+  y: 0.0
+  z: 0.0
+  w: 0.0
+}
+material: "/builtins/materials/gui.material"
+adjust_reference: ADJUST_REFERENCE_PARENT
+max_nodes: 512
diff --git a/example/example.gui.gui_script b/example/example.gui.gui_script
new file mode 100644
index 0000000..ce07f4f
--- /dev/null
+++ b/example/example.gui.gui_script
@@ -0,0 +1,29 @@
+local druid = require "druid.druid"
+
+function init(self)
+end
+
+function final(self)
+	-- Add finalization code here
+	-- Remove this function if not needed
+end
+
+function update(self, dt)
+	-- Add update code here
+	-- Remove this function if not needed
+end
+
+function on_message(self, message_id, message, sender)
+	-- Add message-handling code here
+	-- Remove this function if not needed
+end
+
+function on_input(self, action_id, action)
+	-- Add input-handling code here
+	-- Remove this function if not needed
+end
+
+function on_reload(self)
+	-- Add input-handling code here
+	-- Remove this function if not needed
+end
diff --git a/game.project b/game.project
index 44a9a6f..a165b1d 100644
--- a/game.project
+++ b/game.project
@@ -1,5 +1,5 @@
 [bootstrap]
-main_collection = /main/main.collectionc
+main_collection = /example/example.collectionc
 
 [script]
 shared_state = 1
diff --git a/main/main.collection b/main/main.collection
deleted file mode 100644
index 37059e4..0000000
--- a/main/main.collection
+++ /dev/null
@@ -1,2 +0,0 @@
-name: "main"
-scale_along_z: 0