Files claiming to be "24MB" are often malware or password-protected fakes designed to make you complete surveys or download viruses.
While some modders use extreme compression to reduce game sizes, a reduction from 100GB to 24MB is impossible for a functional game. Gta 5 Ppsspp 24mb
However, if you're making a , parody, or mod, here’s a feature list you could "make" for a fake ultra-compressed GTA V demake for PPSSPP: Files claiming to be "24MB" are often malware