This app was mentioned in 1 comment, with an average of 1.00 upvote
Squash Let Decider on Android. I would love to have some input on its correctness...
https://play.google.com/store/apps/details?id=co.uk.apps78.squashletdecider&referrer=utm_source%3Dgoogle%26utm_medium%3Dorganic%26utm_term%3Dsquash+let+deciser&pcampaignid=APPU_1_IQuEVuaII8n0Upfqnmg