Google apps are not included. Users must download and flash an ARM 9.0 GApps package (like OpenGApps) alongside the ROM if they want the Play Store. Community Feedback
A custom recovery like TWRP (specifically version pollux ) is mandatory for flashing the ZIP file. lineage-16.0-20220131-UNOFFICIAL-pollux.zip
For users looking to breathe new life into their tablet, this build is a viable option, but it is recommended to keep a full system backup before proceeding, as unofficial software carries a risk of bugs or boot loops. Google apps are not included
Modernizes the UI, provides access to newer apps that require Android 9+, and removes bloatware found in official Sony firmware. this build is a viable option
Recent community discussions indicate mixed results with unofficial builds for the pollux family: