Requirement
Install the component jmobapp on your joomla website : Download Link
You need a free account at Phonegap Build, visit http://build.phonegap.com to create your account
Method
Settings Tab
1. Go here
2. Put you website url in the "Site URL" field, if an error appear it's because the component jmobapp is not properly installed on your website
3. Login to your Phonegap Build account. Click on the user icon at the top right and go to 'Edit Account', then click the 'Client Applications' tab. Copy the Authentication Token in the "Phonegap Authentication Token" field
4. You can complete the other information, upload splashscreen and icon, choose your starting page, and choose the global font of your application