There are three different types of licences:
Allows the installation and usage of the the fonts within the same company up to the number of users specified.
Allows the embedding and usage on websites via webfont technology. One licence per website is required.
Allows the embedding and usage on apps and games. One licence per app title is required, regardless if it is implemented on different platforms. The fonts must be contained entirely within your app, with no other apps or the operating system able to use them.