My placement system

Hi! Ive been trying to make a placement system which has been going good! Everything works but I want to make it a little better for only mobile users. Since its hard to build with touchdevices. Can anyone help me add a feature where if they are on mobile they have to tap twice?

Here is the code where the player taps.

							mouse.Button1Up:Connect(function()
								print("mousebtnup")
								if placingobject == true then
									print("true")
									placingobject = false
									placeEvent:FireServer(previewobject.Name, previewobject.PrimaryPart.CFrame)
									previewobject:Destroy()
									script.building_construct_07:Play()
									script.Parent.Inventorybtn.Visible = true
									script.Parent.Parent.DeleteGui.Enabled = true
									script.Parent.Rotation.Visible = false
									game.Players.LocalPlayer.PlayerGui.MenuGui.Enabled = true	
								end
							end)

by the way this is just a snippet. The code works I just need help with making it so that if you are on mobile you need to click twice