ContextActionService Check Example

--Grab the Services for UIS and CAS
local uIS = game:service'UserInputService'
local CAS = game:service'ContextActionService'

--Check if the user is on a Computer or on a Phone/Tablet
local mobileCheck
if uIS.TouchEnabled and not uIS.KeyboardEnabled then
    mobileCheck = true
    else
    mobileCheck = false
end

if mobileCheck then
    --Use ContextActionService:BindAction
elseif not mobileCheck then
    --Use UserInputService:InputBegan
end