Playable demos of Namco Bandai's Shinobido 2: Revenge of Zen and Touch My Katamari have been confirmed for PS Vita.

The Shinobido 2 demo features the tutorial and one mission. Premium DLC for the full game - featuring eight fearsome bosses - will be released post-launch.

Touch My Katamari will arrive in demo form in early March, also offering players a tutorial and a single mission. The full game will be supported with DLC set for release over several months, adding new missions. A series of premium DLC is also planned.

Shinobido 2 and Touch My Katamari will be available at the launch of the PS Vita on February 22. Namco Bandai is also launching Ridge Racer on February 22.