The Delta gaming emulator is now providing a link to sign up for Patreon-exclusive membership perks directly within the iOS app in Apple’s US App Store. Developer Riley Testut is heavily encouraging users to click that external link by tripling the price you’d otherwise pay to Apple for In-App Purchase versions of those same Patreon tiers. Testut calls it the “do not buy sale.”The update both embraces and protests the External Purchase Link Entitlement that Apple introduced in January, which all...