We apologize for keeping you waiting for so long!
There are a couple of features in development right now:
1. Japanese language will be added
2. UI will be fixed so it should work (we hope) with the most of standard resolutions.
3. Soundtrack will be released soon as a separate product.
Patch 1.3 is planned to be released in a few weeks.
We are also working on another bigger project and we hope we can release it this year.