HOW TO INSTALL SLOT TAGGERS!

FIRST, GO TO UR META STORE AND SEARCH "MOBILE VR STATION"

SECOND, DOWNLOAD MOBILE VR STATION

THIRD, GO INTO MOBLIE VR STATION

FOURTH, GO TO LOCAL FILES - ALL FILES/FOLDERS - ANDROID - DATA - SCOPED STORAGE ACTIONS - REQUEST ACCESS - CLICK ON QUEST 1/2/3/3S -

SCROLL DOWN TO DOWNLOADS(make sure you have the game installed) - CLICK THE THINGY AT THE TOP LEFT I THINK ON THE APK THING

- CLICK COUNTINE - CLICK INSTALL - WAIT FOR IT TO BE DONE - CLICK DONE - GO TO WHERE ALL UR GAMES ARE AT

- CLICK ON THE DROPDOWN BUTTON AND THEN GO TO UNKNOWN SOURCES (I THINK UNKNOWN SOURCES IS ON THE SIDE IF UR ON QUEST3/QUEST3S)

NEW METHOD (PC ONLY)]

Go to sidequest.com

download it 

plug ur headset into ur pc

install the APK onto ur computer

click on the download folder thingy

find the apk and click on it

and done