1) Open the Assistant app on your phone
Hint: you can start your Assistant just by saying "Hey Google"*
2) Say "Open Buttons" to the Assistant app to open the Buttons for Alexa app
3) Buttons for Alexa will open automatically, just say the routine name (same routine title used on app) you want to execute. The app will close automatically then
*If your phone is using any screen lock protection, please use Smart unlock feature (example a smartband) to allow Assistant unlock phone and launch app automatically