This is the fifteen puzzle ("taquin") for Android. It supports multiple sizes (from 3x3 to 8x8), and allows you to use your own images if you so desire.
This game is opensource, check it out on GitHub: https://github.com/remram44/taquindroid
Taquindroid (fifteen puzzle) - バージョン 1.2
(11-11-2020)
新機能はFix images sometimes having the wrong orientation