Straight from GDC 2014, here's an all-new look at Mighty No. 9 in action. Gameplay, music, character profiles... it has all the bases covered.
Bear in mind, everything shown is still work-in-progress. Inafune and his team are still hard at work fleshing out Beck's world. It's a long ways out, but I think it's safe to say things are looking great so far.
Source: Mighty No. News