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