Where Do I Go With This?

A while ago, I discovered this piece, and from there, I got the inspiration to write something similar. I've developed a melody, but I really don't know what to do anymore. Any suggestions? I want to keep the mood and overall "improvisation" feel to this piece, just to add a sense of simplicity and organic-ness.

I don't really like what I did around M12. However, I didn't know how to proceed. I share here the different versions.

Hi @bored_comedy,

Maybe the next step is changing the texture and accompaniment? You're having thick chords here and you may just repeat the melody with the pattern change, like changing it to triplets? For b.12 you may subsitute it with different chords like G major, G7, G minor 7th, E-G-Bb diminished? 

Henry