Here is the full list of all 9 Touch the Color achievements.
You bought a theme with stars.
Play 100 games.
Collect 1000 Stars from the beginning of the game.
Collect 500 Stars from the beginning of the game.
You get your gift for the first time.
Collect 100 Stars from the beginning of the game.
Change theme for the first time.
Play 10 games.
First game!