how add a new emulators like MAME?

I followed the instructions on how to calibrate, to be found here in the Q&A. I did it over and over again, but reverse doesn't work. Is there a s

because with a factory defect, do I have to ship to China and not to Amsterdam? shipping location of this article?

bonjour je voudrais savoir si vous avez un controleur de vol pour le drone xinlin X183 svp merci 

where can I get a copy of the manual for this quadcopter  many thanks Ian Jay tel=07779848185

I am waiting from 14.10.2018 - order "on hold" - did someone received shipping information? Did someone received item?

Will this work with the LR Baggs Lyric pickup, which uses a live microphone? I have an Xvive wireless set, which they say will not work with live mivr

Olá queridos amigos, Fiz uma compra do um  monitor para o MJX bujs 3, e até hoje ainda não recebi, agradecia que me informassem por favor, muito obrig

Does this console have save game function?

This very fine drone does not connect to the app - and then it is fine no longer. It connects via Wifi to the phone as it should, but the app does not