Ultimate Alexa is a voice assistant app that utilizes Amazon Alexa voice service to provide users with a range of features. The app is available on Google Play for both phones and Wear OS watches, and it supports Alexa's Display Card technology. Users can access weather forecasts, news headlines, Wikipedia entries, to-do and shopping lists, and more through the app. To activate Alexa on your phone, you can say "Alexa" or tap on the big button. You can also activate Alexa from your notification area, the resizable widget, or by saying "OK Google. Start Ultimate Alexa" using the Google Assistant.

The Pro version of the app offers additional features, such as the ability to wake up Alexa by shaking your phone or using the Bixby button on Samsung devices. On Wear OS watches, you can activate the app by tapping on the big button or saying "OK Google. Open Alexa." Users have full control over when the app listens and responds to their commands, and they can choose from several different Alexa voices. The app supports all Alexa features, including making phone calls, reading and sending text messages, playing music and audio files, setting reminders, timers, and alarms, controlling smart home devices, accessing local information, and more. Users can also access thousands of third-party skills.

Some optional features of the app use an accessibility service, and the app will prompt users to enable this service if necessary. The app is not available in sections that contain URLs or have no meaning.

Overall, Ultimate Alexa is a comprehensive voice assistant app that offers a range of features and customization options. It is available on both phones and Wear OS watches, and it supports all Alexa features and third-party skills. Users have full control over when the app listens and responds to their commands, and they can choose from several different Alexa voices. The app is a useful tool for those who want to access Alexa's features on their mobile devices.