Apps like OPNMIDI Player

Here are some great alternatives to OPNMIDI Player by WohlstandFox :
bismark bs-16i
bismark bs-16i
★3.5
Piano Synth. Music Synthesizer
Piano Synth. Music Synthesizer
★4.5
Expressive Piano Synthesizer
Expressive Piano Synthesizer
★4.5
Droid Synth
Droid Synth
★4.4
Rockrelay Synth FM
Rockrelay Synth FM
★4.1
Synth Super JX
Synth Super JX
★4.2
MIDI Player
MIDI Player
★3.6
MuseLead Synthesizer
MuseLead Synthesizer
★4.6
WINLIVE KARAOKE MOBILE
WINLIVE KARAOKE MOBILE
★3.6
Retro Boy | MIDI Synth
Retro Boy | MIDI Synth
★3.6
FM Synthesizer [SynprezFM II]
FM Synthesizer [SynprezFM II]
★4.4
SunVox
SunVox
★4.9
Synth
Synth
★4.3
MIDI Music: Search & Download
MIDI Music: Search & Download
★3.9
FL STUDIO MOBILE
FL STUDIO MOBILE
★4.0
AMB-R Synth
AMB-R Synth
★4.6