It allows you to select game folders within the Android-emulated space on your phone (I assume in this sense L920 is no different from L930). But first of course you have to copy the games there and for that you need to access to the whole filesystem in your phone. This can be done quite easily by c...

By the way I just tested it and while you are right about the menu/saving issue there are some SCUMMVM games that can be played fine - e.g. Simon the Sorcerer I & II. Because they have the ability to invoke their in-game menu by USE-ing the postcard. I know it's no Monkey Island but maybe they c...