Alexa App is for IOS, Android and Dekstop users can download Alexa App from Apple App Store, from Google play store or Alexa Amazon com and with windows 10. The user also requires Amazon account for Alexa App and Amazon Alexa login. You are allowed to ask questions from Amazon Alexa App. Get the guidance on the Alexa Setup. Connect Alexa to wifi for Alexa App Setup. After Echo Dot Setup, the Alexa App feels like a Standalone device.