For these install instructions you will need to sideload a file explorer like CX file explorer.
Download CX File Explorer on your Android Phone
Follow this video to sideload CX file explorer from your Android. At the crucial steps make sure to select CX
file explorer
Using the CX file explorer, navigate to
Android > data > com.StressLevelZero.BONELAB > files and open the
repositories.txt file.
Paste the URL(s) in there. Make sure they are below the other lines and have no extra characters on their line.
https://blrepo.laund.moe/repository.json
https://blrepo.laund.moe/nsfw_repository.json
Save the file
Restart Bonelab
Go to your mod station in Bonelab, on setting and then "repos".