Ive never owned an atari st but heres a great emulator of it ported to the Pandora:

Hatari is an excellent Atari ST emulator, ported to Pandora by magic_sam.
Changes:
Bumped Hatari to 2.1.0 (latest commit on February, 20th 2018)
Compiled with support for IPF files (libcapsimage 4.2)
Bumped EmuTOS to 0.9.9.1
Added the manual in the Documentation menu
Updated all source codes in the PND

via https://pdroms.de/pandora/hatari-v2-...mu-for-pandora