Entitled Keroro RPG: The Knight, the Warrior and the Legendary Pirate, the DS cartridge contains official records of the platoon's mission into the RPG dimension as they attempt to stem an invasion by virtual creatures into the real world. The header image is actually some early concept art for the adapted character designs* 

The platoon will use combat system designed by elite engineers at  Namco Bandai's own flagship Tales studio, whose Sgt. Frog fandom is well known.Tales of Vesperia contained a special Sgt. Frog  costume pack that replaced an NPC's appearance, combat animations and sound files almost entirely.

Check out the game trailer below.

_{*Not really.}