Alexa has updated it’s Android App to give way to it’s Alexa Assistant to carry out some task. The Application literally functions by connecting to other Alexa devices but know it is independent of them thanks to the update.
You can use your Alexa to control music, messages (read and send) and anything the Echo devices literarily do before. This functionality actually existed on Alexa partnered company like Huawei, HTC, and Motorola for some use cases but now it is available and Amazon waited for a long time for this.
Souce: Android Authority