It does have an app: https://play.google.com/store/apps/details?id=org.mnemosyne https://play.google.com/store/apps/details?id=org.mnemosyne I can't comment o

It does have an app: https://play.google.com/store/apps/details?id=org.mnemosyne https://play.google.com/store/apps/details?id=org.mnemosyne I can't comment on the feature differences but the community is much much smaller so I wouldn't be surprised.