A while ago we reported on the new openMSX for Android port. Its main developer Alex informed us that a beta version has been released and is now available for testing. You can download the install file from the openMSX for Android blog. By default the emulator runs C-BIOS but you can follow the setup guide to install other system roms.
Interested Android users are encouraged to give it a test drive and report their feedback in the forum topic on the official openMSX forums here on MRC.
Relevant link: openMSX for Android