A free app for Android, by Temporary Email.
Temporary Email Generator is an app that will let you create temporary email addresses that will only be active for as long as you need them. They are easy to use and can be quickly generated on the spot.
Once you install the app, you can start using it immediately. There is no need to wait for the mail to arrive, and you don’t have to worry about spam. It is completely free to use.
Temporary Email Generator has a very simple interface and a very fast response time. You can create and manage your addresses from the app itself.
There is no limit to how many addresses you can create, so you can create as many addresses as you need.