Free Gift Help!

Hello! I have to get the last 0.1% to get my free gift and the last step is to invite someone who downloads the app (it cant already be installed) and make a purchase so if you already planned on buying something please help me out :))

The name of the game is free cart frenzy

My code for the free gift is:

46920178 and my username is Time Itself. Just download the app and search my code

Thank you!