You can already try Firefox OS - a beta version of the emulator is available
Firefox OS developers recently made a serious presentation on introducing and programming for their system and now made sure that anyone can evaluate its work in the emulator without unnecessary gestures - you only need Firefox and an add-on for it of 64 MB in size.
You can pick up the addon here . Under the cat are screenshots of Firefox OS - you can also try installing applications from the Marketplace. Apparently, Windows should be careful and be prepared for the fact that the emulator will work unstably.
If you compare the start time of the Android emulator on the configuration (Intel Core i5-3210M + 4 GB + Win8 + Chrome) - about 2 minutes, then this starts much faster.
You can start the addon like this:
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