Thank you very much for your answer.
I am still missing something.
Come to boot selection --> andorid --> then came a black screen with multiple choices
Picked the first one , android load smoothing but find the apk in any folder.
I installed all...
had to laugh after my "lay of the drugs" comment, to see the name of the first app! Nice one :D
Thank you very much for your help , at least I can stop to find a solution on my phone. Sincerly "thank you" I'll try to contact the dev ...