Using Android Ice Cream Sandwich, Honeycomb, Gingerbread and Froyo? Check out "MYCallsign Lite". NOTE: The database is UPDATED from TIME TO TIME. If you couldn't find your callsign or your friend's callsign, PLEASE BE CALM and check the SKMM website (. If MYCallsign database isn't as latest as SKMM database, then CONTACT the DEVELOPER for an update.