This has been suggested many times by different people and the answer has always been no because an app would just be pointless. As said above, the forums is already mobile-friendly. If you really wanted the forums to feel like an app, you could always bookmark the webpage to your home screen on your phone/tablet.
Minetime will never have an official app, however you can add Minetime to your home-screen by opening the website in Safari, clicking share at the bottom, then on the bottom row tap "Add to Home Screen" and you're done.
Um, not correct. If you look at the specs of the Galaxy S6 edge and the 6s, MUCH better hardware from the Galaxy s6 than the 6s. Btw you were comparing a company (Apple) to an Operating System (Android)