You can set it to automatically rotate the screen to display a larger tile size when possible. The default is AUTO-270, which will rotate the screen 270 degrees for larger tile size display. The silk-screen will be restored back to the state when the game is launched. This allows you to rotate the screen manually. The Jog wheel controls the tile selection position.
All puzzle has at least a solution.
You can replay the game again as and when you want to. Hint features to show you selectable tiles. All matching tiles will be shown in sequence. Simplified the search for matching tiles. You can undo till start of game.