This may have happened earlier but I just noticed it after the Valentine’s Day Event update. They’ve shortened the Traing Flight H to two minutes. 2 more stars, here I come Also, they’ve made switching between resource base, mechanical plant and high tech plant much smoother. Used to be the window sliding out and back in for the next plant when using the < > arrows but now it just simply switches to the next plant. Costs appear to be the same so whirly birds aren’t much more than an expensive collecting mini-game.