Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
VoiceMacro - Control applications or games by voice commands and/or by the press of a keyboard, mouse button or...
AutomateIt - Automate Your Android!
VoiceBot - Take command of your games with your voice using VoiceBot!
Automate - Automate various tasks on your Android smartphone or tablet.
Rhasspy - Rhasspy transforms voice commands into JSON events that can trigger actions in home automation software.