Focus on the 2nd journey. Prepare a test protocol with your research goals (what you want to test), test it on 5 different people and write down 3 ways to improve the prototype.
- [The art of guerrilla usability testing](http://www.uxbooth.com/articles/the-art-of-guerrilla-usability-testing/)
- [How to write a user testing report that people will actually read](https://uxdesign.cc/how-to-write-a-user-testing-report-that-people-will-actually-read-652d15d2f92e)