Apps? Who needs apps? This appears to be Google’s motto as they add more features to mobile web pages for services like Gmail. The latest feature addition is the ability to be simulatenously logged in to multiple Gmail accounts and then switch between them.
Introducing multiple sign-in and preferences on Gmail for mobile
Two other new features for when using Gmail in a mobile web browser are:
1. Mobile-specific signature: Create and use a signature that lets people know you are sending or responding email from a mobile device.
2. Vacation Auto-Responder: Set up an out-of-office response right from the phone.
Pointing an HTML5 compliant mobile web browser at mail.google.com gets to the Gmail mobile web site.