Try searching before posting (or in this case double-posting) a new topic:
http://www.spacetimestudios.com/show...ia-web-browser
http://www.spacetimestudios.com/show...ptop-PC-Client
FYI this is what Justg said:
The core engine is c++. We are going to focus on mobile for awhile to build and nurture a great game and community. After that... anything is possible