Smooth animated and not hungry for batteries - that's what HexGrid is!
Based on animation by Inigo Quilez:
https://www.shadertoy.com/view/Xd2GR3

This wallpaper displays hexagonal grid that changes over time.
Some parts disappear and some are added.
It also has 3D-look and casts shadows on background.
Successfully converted and tested on Android devices with Mali400 and Adreno205 GPUs.

Features include:
- OpenGL optimized animation
- low power consumption
- ~0 CPU usage
- seven modes
- speed customization
- resolution customization
- you can randomize parameters to get interesting results.