So you have a tablet like the Note Pro 12.2 and would like to use it as a replacement for your laptop? You are going to need to connect USB sticks and memory cards to it. This USB 3.0 3-Port Hub + SD Card Reader for tablets can help. It allows you to connect 3 different USB devices to OTG-enabled Android devices.
This USB Hub for Android tablets also has a SD(HC) memory card reader. Think about the possibilities here — you can connect keyboards, a mouse, or anything else that might help you get your work done. Want it? It costs only $25.