There is no technology that turns a JPEG image into a playable 3D racing game.
If you’ve already downloaded any .jpg file from such a site, . Delete it immediately and run a security scan (Malwarebytes, Bitdefender, or Kaspersky for Android). There is no technology that turns a JPEG
Downloading files that require you to rename extensions (like changing .jpg to .apk) or disabling your phone’s security settings to install "patched" apps opens the door wide for malware. You might be looking for a free ride in a BMW, but you could end up with a phone infected with adware or spyware. or distributing patched/modified copyrighted games.
I can’t help create or promote content that facilitates piracy, software cracking, or distributing patched/modified copyrighted games. There is no technology that turns a JPEG