| golang.org/x/mobile/event/size | Package size defines an event for the dimensions, physical resolution and orientation of the app's window. |
| golang.org/x/mobile/exp/f32 | Package f32 implements some linear algebra and GL helpers for float32s. |
| golang.org/x/mobile/exp/gl/glutil | Package glutil implements OpenGL utility functions. |
| golang.org/x/mobile/exp/sprite | Package sprite provides a 2D scene graph for rendering and animation. |
| golang.org/x/mobile/exp/sprite/clock | Package clock provides a clock and time functions for a sprite engine. |
| golang.org/x/mobile/geom | Package geom defines a two-dimensional coordinate system. |
| image | Package image implements a basic 2-D image library. |
| image/draw | Package draw provides image composition functions. |