What is megaman starforce leo?

MegaMan Star Force Leo is a video game developed by Capcom for the Nintendo DS system. It was released in North America in 2007 and is part of the Mega Man franchise. The game follows a young boy named Geo Stelar, who is able to merge with an alien device called the "transer" to become his alter ego MegaMan. As MegaMan, Geo must battle other "EM beings" in a series of battles known as Battle Cards. The game features unique geo-location-based gameplay, which allows players to interact with other players in their vicinity using the Nintendo Wi-Fi Connection. MegaMan Star Force Leo received generally positive reviews, with critics praising its innovative gameplay and engaging storyline.