If I understand correctly, you can get the Wyze app to launch, and then you tap the Get Started button, and this opens a Web browser for you to enter your login credentials, which you do, but then something seems to be happening where the browser is not passing the authentication token back to the Wyze app to complete the process. Does that sound like what’s happening?
If so, then this topic might help:
If you start at that post and read onward, then you may find something helpful. You haven’t said what phone (brand and/or model) or what browser you’re using, but I wonder if changing your browser settings and/or trying a different browser set as the default—even if only temporarily—would allow you to log into the Wyze app on that phone.
I also wonder if you have a VPN interfering or any other recent network changes.
FYI, I didn’t think this 
was the issue because the topic is tagged android, and @coaxman523’s profile also notes Android use. Also, this was in the initial post:
The app shouldn’t have installed if the phone wasn’t already meeting the requirements. 