Hm, sounds nice. I'm not sure which part of the song you're planning to use this for, though. If you want to use it as an introduction, maybe after this part you add more percussion and build up the song with more instruments (bass, etc.) Maybe this first piano bit could have the main melody/theme for the song, and then during most of it, the piano only plays chords. Then you do the melody by itself with a synth and the vocals. Then during the bridge you bring back the melody on the piano with the piano chords.
I tend to write energetic electronic songs, which might not be your preferred style, though. I know that Empath-P does a lot of piano songs so you could listen to her stuff for inspiration and try to break down the different sections and what the instruments are doing.