Hi! I'm from Brazil and I currently live in Beijing, China. I'm graduated in Computer Science. I believe your job is a simple job and I can do your testings about your app and record the screen it for you.
I can test it with or without VPN to test if the application to test if it is accessible to outside. I believe we can discuss the details, if you pick me for your job.
If you feel it is ok, you can add me on wechat. My wechat id is: thiagomacgyver.
Kind Regards,
Thiago.