Here is the latest version of Gmail mobile client version 2.0.6 with fixed icons for Symbian S60 5th edition touch screen mobiles such as Nokia 5800 XpressMusic, 5530 XpressMusic, 5230, 5233, C6, N8, X6, N97 and N97 Mini. Gmail for mobile lets you read and send emails on the go. You can search for any email saved in your account.
You can enter keywords to find the exact mail you're looking for. Mail search works just like Google search. You can use stars to indicate a note is special. You can also organize your email with labels as you do in browser based gmail client. Another feature is that replies are grouped in a single thread, making it very easier to understand the context of a mail.
There are many more features than what I mentioned here. You can further explore this client. The interface is very simple. Initially you need to enter the login details and it will open the default "Inbox" view. From Go to --> More views, you can add more views: Starred, chats, sent mail, outbox, all mail, spam, etc. All those views will be available from Go to --> View Name e.g. Chats
Gmail mobile client is very fast and you will enjoy this app on your mobiles. The version is complete touch screen supported and works in full screen.