Rizla needs at least Python 2.7 to run.
Here the one-line command to stasfy all the dependency :
sudo apt-get install python python-jinja2 python-sphinx
The Android SDK is necessary if you want to develop Android application. Once you’ve downloaded it, you have to extract it on the system and report the path to the global variable path, for exemple at the end of your bashrc file:
export PATH=$PATH:/path/to/your/sdk/tools
export PATH=$PATH:/path/to/your/sdk/platform-tools
The simpliest way to run Firefox OS application is to use the Firefox OS Simulator available on Firefox (Web Navigator).