You can bypass Google verification on an Android device when you've forgotten your login information. The steps you need will depend on your device.
A proof of concept bypass of Google’s CAPTCHA verification system uses Google’s own web-based tools to pull off the skirting of the system. A proof of concept bypass of Google’s reCaptcha V2 ...
ReCAPTCHA is a free offering from Google to protect webmasters against robots and bots designed to propagate spam and abuse online services. Based on the Turing Test, reCAPTCHA uses puzzles or logic ...
Google is addressing doubts regarding the upcoming developer verification for Android app sideloading. More details here.