Yes, for the most part, we can completely rely on our smartphones.
While it is absolutely true that Android has come a long way in terms of sheer processing power and features too, we cannot simply deny the fact that they are nowhere close to close to replacing Personal Computers (at least for Power Users). Even more so, if it turns out to be a Windows PC then, in that case, the USB driver is a must. USB Drivers are of paramount importance when it comes to connecting your Android device with your computer.