That is problem no. 1 at the moment and I will try to fix it and release fixed version before working on other features. The point of the 0.3.10 release was to have new features released for the conference. The tiles are stored in /home/user/MyDocs/.maps directory. This directory is used by Maep, Mappero and ModRana at the moment. ModRana also supports sqlite tile storage which CloudGPS will also support in a distant (like next year) future. Next major release will have those two.