You can get it installing when is the update for minecraft pocket edition stable version. Install the dependencies needed to compile. If you want to compile from x86_64, you might have to install gcc-multilib. It can contain errors or be unstable.
This version is using API 0. Put no limits to your imagination. Play on multiple worlds, for free. If you don’t know how to do port-forwarding, go to Port Forward, search your router, and follow the instructions.
Before asking anything, you should read the Frequently Asked Questions page and the Wiki. That should solve the majority of the questions. Github Issues: Report bugs, send improvements or new features. Forums: Join the community, ask questions, search for plugins. Extend the game in the way you want, add awesome features.