Version 1.9.0

- Every game now has its own icon, and the Games tab shows them in a grid
- Animal Doku and Star Battle: neighboring regions no longer get colors that are hard to tell apart
- Mixes show each game's share as a percentage, with buttons to adjust it
- Minesweeper has a new look
- Vibration is now off by default and can be turned on in Settings
- Bug fixes and stability improvements
