Amazon Alexa App is one of the best for the Alexa-enabled devices that let you setup and manage your Alexa experience as per your location. You can easily setup your smart home devices including smart lights. It helps in making phone calls and day to day list. Alexa app is available on the Apple App Store, Google Play and Amazon Appstore. Amazon Echo is a hand-free speaker built by Amazon. The echo device can connect to the Alexa Voice Service to play music, make calls, send and receive messages, news, sports scores, and weather. It is an expertly tuned speaker that can fill any room or office with 360° immersive sound.