During a keynote address at the GDC conference, Ngmoco CEO Neil Young revealed the company’s plans for more Rolando level packs, two sequels, and a collaboration with Secret Exit. Young said the company plans on releasing three more level packs for Rolando between now and the end of May, bringing the total number of add-on levels to 20, with Rolando 2 following with a June release. It will feature four worlds with 36 levels, and will see a similar…