Alexa app is very popular because of its skills and features. For Amazon Echo Setup, you need to install the Amazon Alexa app in your device and follow a few steps for the Echo dot setup and Alexa app for Echo. Use your Amazon account for Alexa login, Alexa app for Android, Alexa setup, and echo app. To get benefits from the Amazon Alexa app, you need to Download Alexa App. After that, You can log in to Alexa by going through Amazon account for the Alexa App setup.