Firefox Fenix or Firefox Preview App for Android, till now manually available for download with Tab groups (now Collections) and dark theme features via Mozilla Taskcluster, now available on Play Store, but you need to join Fenix Nightly Google group though for that. Now the company has introduced new onboarding experience in Firefox Preview app (which you’ll notice when you install the latest version of App) provides details about app features to first-time users.
The onboarding page asks to sign into to app with Firefox account and requests to choose a theme from dark or light or automatic. For better battery life and less strain on eyes, Firefox recommends using a dark theme.
The page also informs the user that tracking protection is enabled by default and private browsing feature is available. Last but not the least, a link to Firefox Privacy Notice provided in Onboarding to navigate to.
The Fenix APK download link which we shared here also contains the latest version we’re sharing the link for that below, you can grab latest Firefox Preview APK from below.
1. Download and install from TaskCluster: https://tools.taskcluster.net/index/project.mobile.fenix.v2.nightly/latest
2. Use APKmirror.