Neccessary to remove the Ads to make the game really playable. 95% of the time player would be gathering resouces to unlock game world. Overall its good time killing game. Four things to improve current game: 1) Pls add Exit buttom in Settings for Android. 2) Pls add power saving mode for players to leave game in idle. 3) Add comfirmation pop-up to use Reward Ticket. 4) Let player to press and hold "Craft 1 item" to add more quantity, or add "Craft 100 items" option.