This is an Addon for the Palladium mod curseforge link , modrinth link This Palladium Addon also requires the Pehkui mod to work properly pehkui curseforge link pehkui modrinth link And KubeJS KubeJS curseforge link KubeJS modrinth link It adds an Utility Watch. To use it simply place it in your inventory now if you dont hold any items(in both arms) you get the option to use the device. Once you use the new keybind that appears you will be able to select different apps (using scroll wheel)
the available apps are:

0 gravity app - lets the user disable their own gravity
home app - lets you travel to your spawn point (only works if the player has a different spawn location than the default spawnpoint) closing the app will teleport you back from where you originaly teleported
shrink app - lets you shrink

The device has a timer indicated by a red bar. Once the timer runs out the app you are currently using will be disabled. The watch can not be optained in survival for now. Installing a Palladium Addon

place the downloaded file in .minecraft/addonpacks (if addonpacks folder doesen't exist create it)
install required mods
launch the game