A few months ago Gmail announced they will be supporting AMP in email later this year. Since then I've been looking into how email developers can work with AMP, what's possible and how to integrate it into current work flow.
Write and test your code in this AMP playground.
Slides in a presentation format on Google presentation.
Learn more about AMP code with some samples. N.B this code is targeted more towards AMP-HTML so not everything will work in AMP4Email