Oh, you def can... see if you can download it directly: https://play.google.com/store/apps/details?id=com.fangcun.gg.en.aisa
If not, try to find it on QooApp or TapTap, or you can try finding an apk link to download in apkpure or other site like that
https://play.google.com/store/apps/details?id=com.miHoYo.HSoDv2JPOriginalEx This is the url for playstore and yes we are able to login in jp server easily. The SEA/Global server refugees are increasing day by day and have found some of the top guilds too