Augmented Reality Game - Improvement

Our game is considered to be an example of an FPS(First Person shooting)game, because the players have to try to survive as long as possible by not allowing the other creatures to kill him. the first requirement, that we want to give the player the ability to change the image targets (markers) in run time, I mean we want to make an UI ask the player if he want to play the game using our markers (print them) or he want to make his own data set(database) , I think there is a way that the player have to help us by press a button this button will take him to vuforia website and there he will create his own dataset , then he press another button ,this button will replace the image target we used,with his own image targets , this requirement could be done , ou have to find a way for that.