Today using summon gems i didn't receive at least 1 of the toons.  I don't know how many, but "Vilespawn" for sure.  I know because she was a new tune for me.  Secondly, at least twice a week sometimes more the game freezes in the middle of a battle. It has happened in all types of battle not any specific. Once in awhile wouldn't bother me, but when I'm spending gems for energy potions...   It requires a game restart. I usually get the pop up asking to continue the battle but after hitting continue, nothing happens.