100%! Some products may not be available on our roblox store but the link is here: DevActi0n2K Product Hub - Roblox

Some of the maps can be laggy, try removing DOF and lighting effects to reduce laggy and cull assets to improve performance

While usually UI's come 100% pre-scripted, there are some UI's like Project BATTLELOG that require scripting on your side, only because certain aspects need to have your game id's and need to connect to your servers and etc, which can't be accounted for in my development.