VideoBeagle: You can absolutely mail photos from Zen Viewer. Just TAP the gear on the Files bar which is the Manage Mode icon and once you're in there select a photo or 2 and TAP mail. It works.
Everyone: So we've had long discussions and we're going to skip working on annotations. Say we did it. It would take months to do it correctly and even if we did it, you will still have people slamming us that it wasn't as good as iAnnotations or one of the dedicated apps. They'd probably be right. Those are apps are dedicated to annotating. But here's the thing... you can OPEN IN to those apps, make your changes and send it back to Zen Viewer for Storage or to email it out, send to dropbox (we're working on that by the way) or compress it, password protect it or any number of things.
So with the extra time of not having to compete with dedicated apps, we're fixing some bugs, working on greater integration with DropBox, working on showing thumbs from your albums and photos from Apple's photo viewer, adding a camera function so you can snap photos right inside of Zen Viewer and store them in your folders.
If you want to see specific functions then tell our partner and let them know. They handle the code, we handle the graphics and UI/UX. Here's where you can make suggestions:
http://apps.hachisoft.com/zenviewer/ios/support/idea
Oh and we're the featured app in the June edition of Mac|Life
If you purchased it and like it, could you please take a second and rate us on iTunes. Thanks!