Thank you for your support to TinyDeal.
Please set up the shortcuts key as follows:
1. Please enter the "phone setting" option
2. Choose the "dedicated key" option, enter it, and you could set in the shortcuts key of "up", "down", "right " and "left".
Any other questions please feel free to contact us on https://help.tinydeal.com/contact-us. And we would answer you within 24 hours.
Have a nice day!