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What did you smoke?
Funny mistake! I tried to upload B18122750 but wasn't successful and I gave you the link of stable build!
Please try this build and if there was any problem with selecting, opening, saving files and... please let me know. Thank you.
Thanks for the clarification. To your point I cannot broadcast from IP Web camera through a mobile data connection (but now I'm tempted to see what can be done with VPN service and auto port forwarding, although I expect that not to work either).
It should be possible only with mobile data connection but opening a public connection (dmz) using mobile data isn't always possible due to many ports are blocked by isps, afaik.
Many operators use CGN (carrier-grade NAT) where you can't reach ...
Nope, no root needed.
Did you select the right version? APKMirror