GS Validity Check (Unofficial) Checker is the app that allows you to check the validity of titles for GS promos.
Simple and immediate, it subdivides the titles valid for the promos according to the belonging platform.
It also allows you to search for a specific title using the "search" icon on the top of the screen.
Created thanks to the collaboration of guys from OffersVG.it, GS Validity Control is your new ally to book the new titles coming out by taking advantage of the chain's promos.