This game is no stranger to performance issues and bugs, but it is a complete joke when it just sporadically freezes when it matters. The fact that they have not responded to it "ever" and not implemented a fix that will keep it at a good operating level.
The main area they NEED to work on is the GAC. these freeze's completely ruin the Grand Arena battles and completely mess with the result. this is no fault of the player and we are the ones punished because the Dev's cannot keep the game stable for everyone. This happens on Emulators, iphone's Android's, it doesn't discriminate.
Please for the love of God implement a fix that will at least pick up when a player has had a freeze screen. as i understand that updates can give unexpected results, and asking for a constantly evolving game to remain 100% stable all the time. but surely this isn't too hard to ask for. it is getting to be a joke, especially considering the communities investment in the game and the fact that alot of people pay big $$$ for your over priced packs and toons that are all money grabbing schemes.