Planning to add this in the next release. Currently, we have a module where we expect users to build a Bitcoin stack: https://bitcoindevs.xyz/decoding/8-project.

Building a new wallet step by step is definitely something I’m going to work on to include in the platform. Stay tuned!

BTCillustrated

This is a cool concept! I look forward to it, maybe I'll get to build my own wallet app some day, that's definitely one of my long term goals.