PlayStation All Stars Unofficial Companion App is all you need to learn about characters, special moves, stages, trophies and anything All Star related all in 1 easy app.
The app has got a nice nod from devs SuperBot on Twitter
"#PSAllStars has an unofficial companion @Android app! Thanks, @BossDooley!" https://twitter.com/SuperBotEnt/status/270578347799621634
PlayStation All Stars will release from November 2012 for PS3 and PS Vita and will bring crossover fighting of 1st and 3rd party characters.
Expect any DLC announcements, cheats, strategies etc in future updates.
*** DISCLAIMER ***
Copyright © 2012 Sony Computer Entertainment America LLC. "PlayStation® All-Stars Battle Royale™" is a trademark of Sony Computer Entertainment America LLC. Developed by SuperBot Entertainment, Inc. PS Vita development by Bluepoint Games, Inc. "PlayStation®" is a registered trademark of Sony Computer Entertainment Inc. Third party characters and trademarks are licensed courtesy of their respective owners and protected by copyright and trademark laws.