It was also re-released on the GBA years ago as well, but that version is probably very hard to find. Your best bet is downloading the PSN release.
Unfortunately you must jailbreak in order to get an emulator to play it, but with all the wonderful benefits of a jailbreak (final fantasy notification noises and button themes) I think it worth it.
If you would like I can guide you through the process.
Android versions are a bit behind on schedule compared to their Apple cousins, but still they’re being released! And as leomatao suggested, there’s always the emulator option for Android phones without hassle of jailbreaking. Works wonders with PS1 roms.