You can use google translator.
You can change your Gmail address after you change your IP. You however do not need to do that. It is because gmail is independent of IP address.
my gmail open page language change how to re change to English
Unfortunately you cannot change your theme on Gmail on ipad.
You can any time change from Yahoo to Gmail. There are a number of features in Gmail that are not in Yahoo. Speed, efficiency and reliability are three.
Use Gmail notifier
You can make a Gmail account for yourself easily. You just have to register using the Gmail information. You have to also agree to the terms and conditions.
You can easily change your password on Gmail. The password is like the key to Gmail account. You can change it in the settings.
Yes, you can use gmail on the iPad.
You can change languages easily on Gmail. You need to go to Google Language Support. Change your language and done.
The password at Gtalk is same of Gmail. It is because Gtalk is a subset of Gmail. Gmail is the one that's password is unique.
Black is one of the theme of Gmail inbuilt. You can change your Gmail to black anytime you want. In the settings, there is themes where you can select it.