"Don't wait for an inspired ending to come to mind. Work your way to the ending and see what comes up."— Andy Weir
However, there are some unofficial and modified versions of GTA V that have been ported to mobile devices, often by third-party developers or enthusiasts. One such version is the "GTA V Mobile 0.8.1" build.
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GTA V (Grand Theft Auto V) is a popular action-adventure game developed by Rockstar Games, and it's primarily available on console and PC platforms. There isn't an official mobile version of GTA V.