Firefox Nightly for Android will move to the revamped Preview version on January 21
(Android Police)

However many versions of Firefox you think there are on the Play Store, I can almost guarantee there are more. One of the numerous Firefox builds is getting a major update, and that signals big changes for the other versions. The Firefox Preview app that first launched last year is now moving into the Nightly channel. In the coming months, the old Firefox could be a thing of the past. If you`re running the stable version of Firefox right now, you probably know it hasn`t changed much in years. Read MoreFirefox Nightly for Android will move to the revamped Preview version on January 21 was written by the awesome team at Android Police.