The game has been in development for a bit and it has been available on the Apple app store in about 30 non-US countries. (Canada has it!). Supercell announced this week that it will be fully launching on iOS and Android in March. It's a pretty cool concept. You can collect cards and build attack decks like Hearthstone. The cards generally represent different things that are in Clash of Clans (xbow, barbarians... hog riiiiiddddeeeeeerrrrssss!). The game plays like a small scale MOBA where you're trying to push 2 lanes and knockout 2 side towers and a master tower.