You can customize your app to match your brand. Just login to your Tappla Dashboard and use the menu sidebar on the left to navigate to the Design menu.
(In case you have not yet received access to your Tappla Dashboard, let us know and we'll provide you the login details.)
On the Design page you can edit the following:
Design settings for the menubar (e.g. logo, background color ...)
Design settings for main video screen (e.g. text color ...)
Design settings for other screens (e.g. background color ...)