Inside your Marvin app, click on the question mark and click on "Submit Feedback/Idea"
This will take you to our productboard.
You can see some of the features we have planned as cards under the "NEW FEATURES" tab. If you want to vote and add your wishes to one of these planned features, click the card.
You can then vote how important this feature is to you by clicking one of the three buttons at the bottom:
Write us why you need this feature and any specific wishes and ideas you have for it.
Leave your email and hit submit.
You can also add feedback and improvement requests to existing features like this by clicking on the other tabs at the top.
If you just want to submit an idea or point of feedback, use the submit idea button on the top right.