New:
• Save system (up to 10 saves with StageStar+)
• StarMusic & STARDOM streaming
• Song/album detail screen
• Band system & new UI updates
• Persona & image system
• Realistic stream system
• SIAA app, new S & StarTube features
• 10 new languages
• Merch pre-orders
Fixes: disappearing covers, Android label bugs, playlist sorting, AI spam & more.