No, Mobile Web 2.0 is not designed to work with other email services such as Gmail or Yahoo! Mail. It is a web-based email service that is accessible through a web browser on your mobile device or tablet. An email client is a program that runs on your computer or mobile device that allows you to manage your email accounts. Examples of email clients include Outlook, Thunderbird, and Apple Mail. These clients can be configured to access your email accounts from various email providers.