Firefox OS could only be run on your Android smartphone by rooting it.
Mozilla is releasing a preview build that runswithinAndroid to give you a taste without any real commitment required.
Sounds like a great idea but there are some risks attached to it.
One of the errors noticed by Mozilla is that the Android back button may behave oddly at times.
There is a good news for those who like bug hunting.
Ready to check it out?
Head over tothis Mozilla blog postand tap the visit Firefox OS 2.5 Developer Preview link to grab the APK.
source: www.techworm.net