The option to turn off the sounds is in the menu (use the pause/menu button at the top right).
When the game is over, you can type your name in the box. You should do this before you view the leaderboard or start a new game.
Paints are applied automatically by the game; you cannot select to use a Paint yourself.
Each time the indicator reaches 100%, you'll get a Paint bonus. Whenever you don't have a move left, all cells of one color are painted into a second color, and you'll be able to continue playing.
Probably, you accidentally set the game to night mode. You can switch back to daylight mode in the menu (use the pause/menu button at the top right).
No, we will never post anything without your explicit consent, and we will never send any messages to your friends.
In the current version, yes, unfortunately you will lose your game and high score if you remove the game and install it again.
If the game freezes, it is likely caused by too many apps loaded in memory. You can free up all memory if you restart your device. This will close all open apps, but it will leave all data untouched -- including your progress in the game.
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