Page not loading: Try this link. iPhone / iPad tips: If web app does not launch you must set your cookies to "trust visited sites" or to "never block". Most updated phones have this fixed. Under settings, go to Safari to find this setting. The web app uses cookies to remember which images you selected to upload.
Turn off PRIVATE MODE in Safari. Launch Safari, on the bottom click on the book, turn off "private" and try again.
Andriod tip: On most Andriods you can click and hold the first photo selected for two seconds, then continue to select more imges from your gallery or else you have to upload one image at a time.