I like the ui. also, I've been paying attention to delivery pilot updates, but haven't really commented or played much recently as I think in terms of gameplay, the game is close to if not done, however it seems it might be a little while till the events and art are finished so I've been holding off. Either way, I hope you don't get burnt out on making delivery pilot and I look forward to more updates or a revamp of Darkmorrow arena.
Also I do agree that delivery pilot feels better to play (although there is still a lot of clicking) but that arena has more heart in it. I think this is due to arena actually having characters and conversations where as delivery is mostly watching the pilot get degraded with little to no character. Not saying that it's bad, but that arena does have a spark that delivery doesn't have.