Riot Rex1102

So I installed this app to mainly get the MW2 “Care package on the way” sound for my phone but it wasn’t there (please add) and I decided to try to make it and once I was done it didn’t even let me do anything with it and I lost it...and I’m not gonna spend money all because I of a text tone but please if you can,PLEASE ADD THE CARE PACKAGE TEXT TONE PLEASE