This app was mentioned in 2 comments, with an average of 1.00 upvote
https://play.google.com/store/apps/details?id=com.jrzheng.supervpnpayment&hl=en&referrer=utm_source%3Dgoogle%26utm_medium%3Dorganic%26utm_term%3Dvpn+payment+play store&pcampaignid=APPU_1_la0oVvPXAsPQygO62a3YAw
$190 for dodgy chinese vpn?
https://play.google.com/store/apps/details?id=com.jrzheng.supervpnpayment this one is free and it works for me