If you want to test your skills then try for free Multitask 2, another new game created with 3 modes of gameplay.
Multitask 2 is a test of your ability to play multiple minigames at the same time. There are 3 modes of gameplay, but you will begin with only 1 mode unlocked. In each mode, an error in any minigame will cause you to lose. Instuctions for each mode are provided on the mode select screen.