Many newer phones (like the Pixel 7/8/9 series) cannot run 32-bit apps like MC3 at all.
Since the game is considered "abandonware" by many in the community, you can find it on archival and third-party hosting sites: Where to Find It Many newer phones (like the Pixel 7/8/9 series)
The Internet Archive hosts version 1.4.01 , which is often safer than random torrent sites. Many newer phones (like the Pixel 7/8/9 series)