How to use Google Web Font in my web-application without any external links?
<p>I need to use some google fonts on an my web-application. The clients may or may not have internet connection. </p>

<p>Is there any legal way to use it legally?</p>

<p>like, </p>

<p><a href="https://www.google.com/fonts#UsePlace:use/Collection:Open+Sans:400,300italic,300" rel="nofollow">https://www.google.com/fonts#UsePlace:use/Collection:Open+Sans:400,300italic,300</a>
to
<a href="https://www.example.com/fonts#UsePlace:use/Collection:Open+Sans:400,300italic,300" rel="nofollow">https://www.example.com/fonts#UsePlace:use/Collection:Open+Sans:400,300italic,300</a></p>

<p>Thanks in advance...</p>