NiceLock Downloader Companion app is available on XDA - Manage GoodLock module updates with 1 click in unsupported regions : r/GalaxyS9
Amazon.com: Keycaps PBT XDA DSA Height Standard Five-Sided Sublimation Process Keycap Compatible with GH60 / GK64 / GK61 / 68/87/104 Black and White Japanese : Electronics