Hello 
I`ve got an expierence with theese guys  that were mentioned before. 
https://www.dazhuanlan.com/wandal/topics/2635821
http://www.justaaa.com/topic.php?tid=344367#.YmG3BPNBw3Q
http://www.domyigaraze.pl/forum/viewtopic.php?f=2&t=158436
https://myobsnap.ideas.aha.io/ideas/SB-I-3890
https://appyet.com/forum/index.php?threads%2Fhow-to-create-an-android-app-with-appyet-guide-book.1547%2F
 
And I watned to claim thanks!

Ernestfig