For a mobile racing game it isn't so bad. At least Rovio is no longer just sticking to the same old slingshot formula again. Although you do technically launch birds from slingshots.

There are several modes to spice up the gameplay: normal racing mode, destruction mode and whatever that fruit mode was. There was probably more but I couldn't remember. Bosses were cool, you unlock them after beating them too.

That energy system is pure garbage. It existed entirely for monetization purposes. So fuck that shit. Why do mobile games always have to implement some kind of stupid ass monetization techniques in the form of energy systems that restricted the hours of gameplay anyway?

I don't think the game is available anymore. Too bad I guess. I am pretty sure someone out there has emulated the game so you can try search for that if you have nostalgia for this game.