Update README.md

README.md

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-# GBA-Sketch
+# GBA-Sketch
+
+**GBA-Sketch** is a very simple drawing application made for a GBA Console, intended to be used for relaxation and playful purposes. It is not intended for any serious drawings, since the only way to erase your mistake is my clearing the whoe screen (as far as I know, there is no accellerometer, therefore shaking the screen is not possible)
+
+More information on Itch.io page: 
+
+## Technical details
+The application is programmed with C and compiled using DevKitARM tools.
+
+# Controls
+* **DPAD** - Moving the cursor, drawing
+* **L and R buttons** - Cycle through the colors
+* **Start** - Cycle through the cursor colors
+* **Select** - Clear Screen
+* **B button** - Pause Drawing (Allows you to move the cursor but will not draw)
+
+# Colors:
+* White
+* Colorful mode
+* Red
+* Green
+* Blue
+* Yellow
+* Magenta
+* Cyan
+* Grey
+
+# Cursor Colors:
+* Drawing Color
+* White
+* Blue
+* Red
+* Black
+
+# Building
+## GBA:
+The Makefile is made with DevKitPro DevKitARM compiler in mind, therefore if you want to fiddle around with code and compile some code, DevKitARM must be installed!