Download and test the latest { -brand-name-firefox } for { -brand-name-android } features with { -brand-name-aurora }, { -brand-name-beta } and { -brand-name-nightly } builds.
下载和测试 { -brand-name-firefox } { -brand-name-android } 版在 { -brand-name-aurora }、{ -brand-name-beta } 和 { -brand-name-nightly } 阶段中的新功能。