Also one of the famous useful Android apps, Tasker is something that goes way beyond than what you think. This gives a complete automation of your SMS setting. Some of the possible triggers include Time, Day, Events, Location, Soft State, Plugins and Shortcut. This works according to the loops, variables and conditions. This will also you design your screen overlays as well. This comes with 200+ builtin actions so the moment one or several triggers occur, this has the ability of performing the 200+ actions automatically.