We have introduced many nice USB hubs, but if you want to connect multiple USB devices with your Android device, the following OTG 4-port USB hub may be able to draw your more attention.
This is a practical, multi functional USB hub that measures approx 64 x 35 x 9mm and weights 22g. As we can see from the images, the USB hub features compact and lightweight design in order that you can take it with you anywhere, and comes with 4 USB 2.0 ports for connecting multiple USB gadgets with your computer, most importantly, the USB hub has a microUSB connector, and supports OTG function, this means you can USB it to connect up to 4 USB devices to your OTG enabled Android device like keyboard, mouse, and etc.
The OTG 4-port USB hub is available in black and white, and priced at $11 USD. If you’re interested, jump to Brando online store for more details.