Found on the BBAC site under Digital mapping and linked from the LRO section
This is free, but £15 is required to show the old non DRM qct files so that the license can be fixed to this device.
Android help file which also list the features
This app was around before the official (free) Memory map one and potentially has some licensing issues.
This is only compatible with old style (non DRM maps in qct format)
transfer the SAs from the PC using the PDS export menu