Just to clear a few things up...
Flash as a web plugin is no longer being developed on mobiles. Now this is where people usually switch off and get on the Flash is Dead bandwagon. Instead, Adobe have moved their focus onto developing Air for Mobile (air targets all major mobile platforms and desktops) - ios, Android, Windows, OSX, but not Linux distros as of Air 3.0
.
See: http://gaming.adobe.com/ for a bit of research, includes a few examples of some top quality games such as Machinarium, Angry Birds for Facebook etc to prove the platform is still very much alive.
So to answer OP, from my point of view targeting Air for Android is the best bet as if you wrote your game correctly you can easily (ios is a bit of a fiddle) publish to all platforms.
The current beta release of Air (Air 3.2 RC) brings hardware accelerated graphics to mobiles so you should be able to leverage some decent speed.
Heres a few sites that has some decent tutorials, including decent blitting techniques etc that should help you with your game:
http://www.8bitrocket.com/category/tutorials/tutorial-flash/
http://www.emanueleferonato.com
Flash as a web plugin is no longer being developed on mobiles. Now this is where people usually switch off and get on the Flash is Dead bandwagon. Instead, Adobe have moved their focus onto developing Air for Mobile (air targets all major mobile platforms and desktops) - ios, Android, Windows, OSX, but not Linux distros as of Air 3.0

See: http://gaming.adobe.com/ for a bit of research, includes a few examples of some top quality games such as Machinarium, Angry Birds for Facebook etc to prove the platform is still very much alive.
So to answer OP, from my point of view targeting Air for Android is the best bet as if you wrote your game correctly you can easily (ios is a bit of a fiddle) publish to all platforms.
The current beta release of Air (Air 3.2 RC) brings hardware accelerated graphics to mobiles so you should be able to leverage some decent speed.
Heres a few sites that has some decent tutorials, including decent blitting techniques etc that should help you with your game:
http://www.8bitrocket.com/category/tutorials/tutorial-flash/
http://www.emanueleferonato.com
Last edited: