What information do I collect?
none, nothing. I did not collect. Its all GOOGLE that collects your information.
This app, via GOOGLE modules, only collect private data gathered by GOOGLE for analytics (android version, phone model, resolution, etc see GOOGLE privacy policy for more info) and ads.
Their privacy policy can be read here https://policies.google.com/

How do I use the information?
I use the information that GOOGLE collects by going to Play Developer Console, and read it right there, to read your review, see whats the problem, and reply to you. And from AdMob ad dashboard to see ads statistics.

What information do I share?
Everything that GOOGLE collects is shared to GOOGLE. Their privacy policy can be read here https://policies.google.com/