Platformer die-hards are going to want to get in on this one. Really great atmosphere, fun 8-bit art, and delightful characters. I can say it's not a speed platformer; as far as I can tell the levels are fairly long with no timer. Using various power-ups that have a food-centric action (coffee gives speed, steak;strength, broccoli; gas, basically a fart jump, etc.). Essentially the goal is to eat particular items scattered through the levels, once found you can advance. The end-goal is to collect ten golden pages from a healthy eating book. Along the way there are even more items to eat called noms, somewhat affecting your health/performance. So far, its as if there are too many elements involved to even begin to describe, in a sense its almost overwhelming.
But its free, so why not try it? No iAP, and no ads. Being a yankee, I'm not certain, but I believe Channel 4 is a BBC thing, so perhaps that's why it may be free, maybe a show tie-in? Or an 'eat well' promo? Who knows, but dig in!