Accrescent app
Accrescent is System application that is open source under the ISC License license. Accrescent is a private and secure Android app store built with modern features in mind. It aims to provide a developer-friendly platform and pleasant user experience while enforcing modern security and privacy practices and offering robust validity guarantees for installed apps. It does this through the following features:App signing key pinning
Signed repository metadata
Automatic, unprivileged, unattended updates (Android 12+)
First-class support for split APKs
No remote APK signing
Meaningful quality control for submitted apps
No account requirement for installing apps