That's dirt cheap. I had to order myself too. Currently £15 second hand from CeX and £34.99 on PSN!
Offering over 50 unique tracks, multiple play modes and a completely new interface that makes use of the PS Vita's touchscreen capabilities, Superbeat Xonic is a revolution in rhythm action gaming. High-speed intuitive gameplay mixes with a spectacular soundtrack and a local and worldwide leaderboard. Jump in the laid-back beats of 4 TRAX mode, then ramp up the challenge and try to keep up with the frantic rhythm of 6 TRAX and 6 TRAX FX before experiencing endless gameplay with Freestyle mode.