The release date for the upcoming mecha game for the PSP, Another Century's Episode Portable has been announced, and its going to be released on the 13th of January 2011.
The game is a fighting game between mechas that ranges from the Gundam universe, macross, Overman King Gainer, Nirvash Zero, Code Geass and many more. It's gameplay is somewhat similar to the Gundam vs Gundam games that has been a signature to the PSP.
Here's a video preview of the game's engine and system via youtube
Source: GToys Blog,youtube