ANXCamera is a Miui Camera Port for Xiaomi Devices using AOSP based ROMs. It is generally ported from Latest Miui ROMS and new, feature-rich devices. You need to GET and install the .zip via Magisk or TWRP, there is no APK to install
HOW TO INSTALL
•GET THE ZIP FILE
•OPEN MAGISK MANAGER APPLICATION
•GOTO MODULE SECTION
•SELECT GETED MODULE FROM STORAGE
•AFTER COMPLEATE INSTALLATION REBOOT YOU DEVICE.