Jewels Crush description

You have to poke jewels groups with the same color near to crash and destroy them. The more jewels will be crashed at once - the more points you get. You have to reach target score on each level to pass mission. The game has 40 levels.
To get 1 star you just have to reach target jewels score for this level. To get 2 stars you have to reach target jewels score +10% for the level. To get 3 stars you have to reach target jewels score +20% for the level.