The MRP core is coming soon. MRP packages are games for the sky-mobi Mythroad platform, ubiquitous on Chinese feature phones — the platform's runtime engine and fonts will be provided by Handyplay, so a bare .mrp file will be all you need. Until the core ships, .mrp files can be catalogued but not yet played.
Importing MRP games (.mrp)
The sky-mobi Mythroad core is coming soon.