This game has 4 types of power-ups that give you more advance in the game leading the player as far as possible of enjoyment ,This game also has a Leaderboard already setted up , and it has In App Purchase which is an Extension tells the player to buy an option that allows the player to disable ads impressions .
A regular license allows an item to be used in one project for either personal or commercial use by you or on behalf of a client. The item cannot be offered for resale either on its own or as part of a project. Distribution of source files is not permitted.
An extended license allows an item to be used in unlimited projects for either personal or commercial use. The item cannot be offered for resale "as-is". It is allowed to distribute/sublicense the source files as part of a larger project.