The following applies when using a USB mouse on your Android Device:
The touch screen continues to function when a mouse is connected.
Right-clicking performs the same action as left-clicking.
To scroll up, down, left or right in a menu, use the mouse scroll wheel, or click and drag the screen in the direction you want to scroll.
To change the mouse pointer speed, go to the Settings menu, touch Language & input, and then touchPointer speed. Move the slider left or right to achieve your desired pointer speed.
7. Connection of a USB Keyboard to Your Android Device
When a USB keyboard is connected to your Android Device using a USB OTG cable, touch inside a text input area to begin using the keyboard.
The following applies when using a USB keyboard on your Android Device:
The on-screen keyboard is hidden when a physical keyboard is connected.
Some of the key combinations that perform actions on Windows computers also work on a tablet, in most apps. For example, you can Cut (Ctrl + X), Copy (Ctrl + C), and Paste (Ctrl + V) using your keyboard.
To find settings options for the physical keyboard, go to the Settings menu, touch Language & input, and look in the Physical keyboard section.
USB OTG (On-The-Go) supported devices are Sony, Xperia Z, ZL, Z Ultra, Z1 - Samsung Galaxy S2, S3, S4, Note 1, Note 2, Note 3 - Tecno F7/H7/R7/Phantom A+/Tablets - Motorola: Moto G Phone | Xoom Tablet - LG Optimus G, G2, G3 G Pad 8.3 7.0 8.0 10.1 – HTC X, One, One mini, One max, M7, M8 - Nokia Lumia 2520 Tablet | Nokia 603 | Asha 300 | C6-01 | C7 E6 E7 | N8 - Google Nexus 5 / 6 / 7 / 9 / 10, all Q Mobiles and many more.To Buy an OTG Cable
OTG (On-The-Go) cable is available in the Mobile market. To use this cable with the phone, firstly you need to check whether there is support in the OTG or not. You can check this capability with ” USB OTG Checker” from Google Play Store.
It can be as cheap as $3 and if you’re in Nigeria, you can get it for as low as N600 on Jumia and Konga.