how to make a game via canvas?

hi

i tried to make a game just using a canvas but it seems like it is impossible.
when i draw 2 bitmaps to the canvas i already get a fps of 25-27
(bitmaps size are very low! less then 1kb)

drawing 10 bitmaps will get me 5 fps (RELEASE MODE)

is there a way to turn on hardware acceleration?

i really would like to understand how he did it: http://ift.tt/2bTX5Wn

such a smooth game only via canvas?? how??

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