If you get the issue that monqi jungle cannot download and that you must approve unknown sources it is likely because you installed family link prior to activating monqi.
To rectify the issue we suggest you remove the google account on your child's phone and then try again. To remove the google account follow these steps:
You may still need to approve unkown sources. To do that follow these steps:
On the child phone:
1. Click top left corner
2. In the menu choose system settings
3. Choose Apps & notifications
4. Choose ADVANCED
5. Choose SPECIAL APP ACCESS
6. Choose INSTALL UNKNOWN SOURCES (at the bottom of the list)
7. Click monqi Jungle - toggle on allow from this source - click back
8. Click monqi - toggle on allow from this source - click back
9. Return to the home screen.
Once you have verified that all monqi functionality is there then re-activate the google account.