Comics Strip Snagger allows you to select your favorite comic strips and to have them output in a quite mobile-friendly way. You can use it with any mobile online or offline browser.
For instance, if you want to download your favorite strips using iSilo, first use a desktop browser to select your desired strips (hold the CTRL key to select multiple comics), and then write down the resulting URL in iSilo. For instance, I am using
this link in my web clip collection.