IIRC they plan to deploy the Quantum enhancements on Android but it may lag a few versions behind their availability on Desktop since they don't want to have to

IIRC they plan to deploy the Quantum enhancements on Android but it may lag a few versions behind their availability on Desktop since they don't want to have to include both the Quantum and non-Quantum codepaths (so the Quantum changes could be disabled in case bugs turn up) which would bloat their APK size (they try to keep it as small as possible since many Android devices have very little on-board storage).