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Get ShaderToy old version APK for Android
Edit OpenGL ES shader programs on your Android device!
A simple tool for developers that lets you edit OpenGL ES shaders directly on your Android device.
Inspired by Inigo Quilez's ShaderToy, and includes some of his shaders:
http://www.iquilezles.org/apps/shadertoy/
Requires Android 2.2 or higher and OpenGL ES 2.0 hardware.
Hardware keyboard recommended.
NOTE: this is quite an old app - to get the menu up on modern phones you need to do a long press on the back button!