Photo Tiles Free is an interactive live wallpaper application for Android that puts a grid of tiles on the home screen that reacts to your touch. The free version of the app is fully functional, but many of the settings are locked. In the full version, you can use all settings, including load a personal photo that will be sliced into tiles with the selected shape.

The app offers various settings to customize the tile behavior, such as Spin, Sphere, Push, Push and Spin, and Jump and Spin. You can also adjust the distance, spin friction, touch strength, impact area, tile flash interval, and tile shape. Additionally, you can stretch tiles to fit the screen without cropping images, set the distance between tiles, and choose the front-side and back-side color of the tile as well as the background color. Lastly, you can adjust the wallpaper priority to optimize the performance of your home screen.

Overall, Photo Tiles Free is a fun and interactive way to customize your Android device's home screen.