PentaTris does not collect any data.

PentaTris uses the third-party service AdMob.

AdMob is a mobile application advertising platform created by Google. It is used to promote mobile apps and to help advertisers make money through mobile apps by enabling in-app advertising.

AdMob also works with Google Analytics to help app owners get valuable insight and information about their app’s usage and the effectiveness of any advertising campaigns.

AdMob may be placing and reading cookies on your users’ browsers, or using web beacons to collect information.

If you use PentaTris, you have to agree to how AdMob uses your personal data : https://policies.google.com/technologies/partner-sites?hl=en-US 

This page will be updated from time to time.

Thus, you are advised to review this page periodically for any changes.