Overmax touch go 2.1 User Manual page 6

NOTE: The manufacturer reserves the
right to make changes and improvements
to the product without prior notice. For
more information, please refer to the
"Help" tab in the application menu.
Application
Download the "Zeroner" app from an
application store (e.g. Google Play) and
install it on your smartphone or tablet. The
device must be connected to the Internet
(via WiFi or 3G/4G) in order to be able to
start the installation.
First run:
When running the application for the first
time it prompts you to create an account.
The registration is quick and easy. It
allows you to log into your account using
whatever device you want - all you need
is to have the "Zeroner" app installed on it.
During the registration you need to enter
your e-mail and password. Subsequent
starts of the application don't require
another registration processes.