https://www.reuters.com/article/us-alphabet-google-apps/google-to-enforce-play-store-tax-on-the-3-of-apps-not-paying-idUSKBN26J2Q0

Alphabet Inc's Google on Monday sought to rebut criticism that it selectively enforces its 30% mobile app store tax, demanding that the over 3% apps selling digital items without complying follow the rules within a year.