Like in Mario & Luigi mini-games : drag & drop the colored packages onto the machine of the same color !
Short and funny, an amazing pasttime in the subway or whatever !
Funny sounds !
No ads and absolutely free !
Beat your high-score and reach 15,000 to get one more life !
Play 100 games and get another life !
And reach 1,500,000 of total score to get a life !
You should use at least a mdpi screen.