diff --git a/Builder.g1a b/Builder.g1a
new file mode 100644
index 0000000..4e12ba1
Binary files /dev/null and b/Builder.g1a differ
diff --git a/Builder.g3a b/Builder.g3a
new file mode 100644
index 0000000..768c2b9
Binary files /dev/null and b/Builder.g3a differ
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 96f6aca..51015e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,11 +2,12 @@
 # toolchain file and module path of the fxSDK
 
 cmake_minimum_required(VERSION 3.15)
-project(builder)
+project(Builder)
 
 include(GenerateG1A)
+include(GenerateG3A)
 include(Fxconv)
-find_package(Gint 2.1 REQUIRED)
+find_package(Gint 2.9 REQUIRED)
 
 set(SOURCES
 	src/main.c
@@ -80,6 +81,8 @@ set(ASSETS_fx
 	assets-fx/living/ennemies/zombie2.png
 	# ...
 )
+
+
 fxconv_declare_assets(${ASSETS} ${ASSETS_fx} ${ASSETS_cg} WITH_METADATA)
 
 add_executable(myaddin ${SOURCES} ${ASSETS} ${ASSETS_${FXSDK_PLATFORM}})
@@ -87,6 +90,12 @@ target_compile_options(myaddin PRIVATE -Wall -Wextra -Os)
 target_link_libraries(myaddin Gint::Gint)
 
 if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
-	generate_g1a(TARGET myaddin OUTPUT "Builder.g1a"
-		NAME "Builder" ICON assets-fx/icon.png)
+  generate_g1a(TARGET myaddin OUTPUT "Builder.g1a"
+    NAME "Builder" ICON assets-fx/icon.png)
+elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
+  generate_g3a(TARGET myaddin OUTPUT "Builder.g3a"
+    NAME "Builder" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
+elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G_AS_CG)
+  generate_g3a(TARGET myaddin OUTPUT "Builder.g3a"
+    NAME "Builder" ICONS assets-cg/icon-uns.png assets-cg/icon-sel.png)
 endif()
\ No newline at end of file
diff --git a/README.md b/README.md
index 33ca304..d679998 100644
--- a/README.md
+++ b/README.md
@@ -2,16 +2,29 @@
 
 A little game like Minecraft or Terraria.
 
+This fork aims at "cross compiling" Builder for the CG architecture. The code and assets are 100% coming from Mb88 repositerory. Not even a single line has been changed.
+
 # Build an install
 
 Install gint if you have not already installed it.
 
+##If you are targeting the fx9860g serie (Graph35/75/85/90 in all versions), simply do :
+
 ```
 $ fxsdk build-fx
-$ bash clear.sh
 ```
 
-Copy `Builder.g1a` that is in `./latest-build/` to the main folder of your calculator.
+Copy `Builder.g1a` to the main folder of your calculator.
+
+
+##if you are targeting to use a fx-CG10/20/50/Graph 90+E (Prizm serie), a upscaling is then achievable using :
+
+```
+$ fxsdk build-fx-as-cg
+```
+
+Copy `Builder.g3a` to the main folder of your calculator.
+
 
 # Gameplay
 
@@ -58,11 +71,18 @@ EXIT - Quit the game.
 
 See tickets.
 
-# Topic
+# Topics
+
+The initial topic by Mb88:
 
 https://www.planet-casio.com/Fr/forums/topic17108-last-builder-un-jeu-de-construction-comme-minecraft-et-terraria.html#188890
 
+
+The automated conversion topic by SlyVTT :
+https://www.planet-casio.com/Fr/forums/topic17296-1-conversion-automatique-des-projets-gintfxsdk-mono-vers-prizm-cg102050g90e.html#191066
+
+
 # Testing
 
-You can get the latest build in `./latest-build/`.
+You can get the latest build in the root directory (Builder.g1a for monocolor Graphs and Builder.g3a for color fxCGs)
 If you find an issue, please write a ticket !
\ No newline at end of file
diff --git a/assets-cg/example.png b/assets-cg/example.png
new file mode 100644
index 0000000..8826800
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diff --git a/assets-cg/fxconv-metadata.txt b/assets-cg/fxconv-metadata.txt
new file mode 100644
index 0000000..d435d5f
--- /dev/null
+++ b/assets-cg/fxconv-metadata.txt
@@ -0,0 +1,3 @@
+example.png:
+  type: bopti-image
+  name: img_example
diff --git a/assets-cg/icon-cg.xcf b/assets-cg/icon-cg.xcf
new file mode 100644
index 0000000..75cfa7a
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diff --git a/assets-cg/icon-sel.png b/assets-cg/icon-sel.png
new file mode 100644
index 0000000..6b1c285
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diff --git a/assets-cg/icon-uns.png b/assets-cg/icon-uns.png
new file mode 100644
index 0000000..d6641ee
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diff --git a/latest-build/Builder.g1a b/latest-build/Builder.g1a
deleted file mode 100644
index 4570ac3..0000000
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