2D action platformer by Bandai Namco. Full title is too long for me to bother transliterating:
超劇場版ケロロ軍曹3 アックション! 天空大冒険であります!
Not to mention it's tentative so it would perhaps end up being a waste of my time.
http://www.dengekionline.com/data/news/ ... e2202.html
Comes out February 28.
More info about this Keroro character in the Japanese and English Wikipedia pages:
http://ja.wikipedia.org/wiki/ケロロ
http://en.wikipedia.org/wiki/Keroro