Procedure for downloading iPhone and iPad application:
1) Open https://itunes.apple.com and sign in with yourapple account.
2) Search for SAULibrariesNew .
3) You will find an application with the same name & with the university logo.
4) Download & install it.
Otherwise,
Directly open, https://itunes.apple.com/us/app/saulibrariesnew/id878001151?ls=1&mt=8
Download the application & install it.
Or,
Open App Store from iPhone or iPad and search for the application with it's name and install it.
Screenshot: