Content of this manual is open-sourced and maintained by the community. Anyone can contribute towards development of this project. The title sounds like Our Manual for a reason!
Information should be accessible to anyone, no matter what language they speak. If your language is not available on ARManual, consider helping your community and translate it.
ARManual works without internet access - it is saved on your device and updated once new content is published. You can even install this webpage as an app if you're on a mobile browser!