Our Stake is using the Family Proclamation for our annual theme. They have challenged us to memorize it.
Here is a mobile version that I created by copying the the text with the formatting from here into a Word document. I then used CutePDF to print it to PDF and K2pdfopt to convert it to a mobile PDF version. I had to adjust some of the fonts and such in order for it to look decent.
Here is the mobile version I came up with.
Here is an 8.5x11 version from LDS.org