For Online Teaching&Working and Web Conference Use: Huion tablets are well compatible with office software like Microsoft office Word, Excel, Power Point. It is ideal for online teaching, remote work, web conference, presentation and so on. Important Notices: Before connecting to your android devices, please make sure that your phone or tablet must be equipped with Android 6.0 or above and should have OTG function. If you are not sure, please consult us for further information. OTG tablet does not support iPhone or iPad. It only supports Windows , Mac OS and Android OS. The pen tablet can work without installing any driver into your phone or tablet. But you’ll need to install a driver first when connecting to a PC. Once connected to a phone or tablet, the Huion tablet will automatically detect and change into phone mode, in which the pen can only work in the area to the left. Buttons on the Huion tablet and the pen will not work in phone mode. Also you cannot rotate your Android phone or tablet when using Phone mode. When the pen tablet failed to enter the phone mode automatically, please refer to the Instruction manual to find the specific button and press the button for 3 seconds to enter the phone mode. The pen cursor will not show up in following models: Nexus 6 /GoogleGalaxy S6 / SamsungGalaxy S7 edge / SamsungGalaxy S7 / SamsungGalaxy Tab S2 / SamsungGalaxy S8 / Samsung S9/Samsung Solution to cursor issue on the Samsung devices: For Samsung Note series, you could go to phone settings to make the pointer appear. Please refer to the following process: Phone Settings-Advance Features-S Pen- Turn on Pointer. For other Samsung device, please download Huion Sketch on Huion official web or Google Play. Follow below steps to make pointer show up in Huion Sketch: Go to Huion Sketch settings-Cursor-Turn on the Cursor-Restart Huion Sketch. IMPORTANT: better restart the app before drawing otherwise there is a lag.