Yes! You can stream mobile games and mobile apps directly from your mobile phone with the help of a mobile streaming app that supports RTMP streaming.

Some apps supporting RTMP are:

After installing the mobile streaming app, look for a Custom RTMP destination and enter you Loola stream key and Loola server URL in the mobile app.

Alternatively, if you'd like to use OBS on your desktop and have your phone act as a camera, you can try this:

Check the following article on how to configure Loola's RTMP key:

https://support.loola.tv/en/articles/3163877-can-loola-accept-rtmp-key