I found this link :
Where you can get from mapillary a free mount for your smartphone.
Perhaps , someone used this offer and can answer me some questions:
1)Is there no price Shipping , no daily rental fee or something like this
2)Do I need to send it back after I captured the route ?
3)Does it fit any smartphone (for example Sony Xperia Z5 Premium)?
4)Can I still plug the charger in , or is the port (Bottom of Device ) Covered?
Thanks for your answers.
(Sorry for bad English, ger)