Understanding Lag in iPhone Apps with OpenGL ES: Optimizing Performance and Creating a Smooth User Experience

Here is the complete code for a simple Android application that uses OpenGL ES and PVRTC texture compression:

Understanding Full-Screen Background Textures on iOS Devices: A Deep Dive into Y-Offset Conundrums

Understanding iPhone OpenGL: Tiling Textures for 3D Objects Using Texture Coordinates and Transformation Matrices.