Android Development: simple 2d graphic with sprite

Where can i learn simple simple 2d graphic. I came up with this s开发者_如何学运维imple idea(may be alot of these game) however i got a bucket sprite and ball sprites. the ball will randomly fall down and you have to catch them by rotate the phone. I already got sprites(PNG) so were do i start. Canvas? wo

I highly recommend you read through this series of tutorials to get you started with drawing 2D graphics on Android for games.