There is one semi-legitimate way to "play GTA 5 with mods (including map editors) on Android":

: Many areas of the map may be empty, lack collision, or have low-resolution textures that disappear in certain zones. Safety & Legitimacy Warning

Console and phone must be on a high-speed connection. 3. Steam Link

Terraform Games (often found on platforms like VK and YouTube).

If you see a website offering GTA 5 for Android with a file size of 500 MB or less, run away. GTA 5 compressed is still 50GB+. Those files are either:

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