Roblox Home Not Loading. If playback doesn't begin shortly, try. If you are playing on the internet on really slow service, and the experience is big, it can take a good bit of time to actually download the map.
The roblox status twitter account reports that the game will be back up on october 29th. Ensure that roblox is closed on your device, then uninstall and reinstall it. Make sure you attach/inject your executor.