Memory Map did not support Windows Phone 7, however the next upgrade to Windows Phone 8 is another change which will, by all accounts, mean that anything written for Windows 8 should be easily adapted to work on WP8.
Do Memory Map have plans to make a Windows 8 version available (or indeed, is the current version able to work on Windows 8) and will a WP8 version be fothcoming.

Users of Memory-Map on Windows Mobile 6 & 6.5 have been eagerly awaiting the arrival of a Windows 7 compatible version for a long time. Thus far, they have reigned in their disappointment, remaining patient and loyal to Memory-Map. Hopefully the arrival of an integrated Windows 8 platform which works across PC, Tablet & Phone will prove too great a temptation to ignore, even to Memory-Map. Without some sort of indication from Memory-Map of their intent to develop this platform, loyal long-term users will inevitably be unable to ignore the benefits offered by newer devices. They will surely become defectors ...