I have a Samsung a51 that I debloated, I want to use it as a Linux toy and get a distro running either installed or through an emulator like termux.

I want to run something like debian

Any recommendations for apps to use to get Linux running?

  • Try using just Termux. You can actually do a lot with it, even without installing a distro. If you want Debian though, one approach would be through proot-distro which installs a traditional distro in the Termux environment. It has some limitations, check the wiki page.