--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -541,19 +541,24 @@ pref("media.navigator.audio.full_duplex"
 #elif defined(XP_WIN)
 pref("media.peerconnection.capture_delay", 50);
 pref("media.getusermedia.playout_delay", 40);
 pref("media.navigator.audio.full_duplex", true);
 #elif defined(ANDROID)
 pref("media.peerconnection.capture_delay", 100);
 pref("media.getusermedia.playout_delay", 100);
 pref("media.navigator.audio.full_duplex", true);
-// Whether to enable Webrtc Hardware acceleration support
+// enable Webrtc Hardware acceleration in nightly
+#ifdef NIGHTLY_BUILD
+pref("media.navigator.hardware.vp8_encode.acceleration_enabled", true);
+pref("media.navigator.hardware.vp8_encode.acceleration_remote_enabled", true);
+#else
 pref("media.navigator.hardware.vp8_encode.acceleration_enabled", false);
 pref("media.navigator.hardware.vp8_encode.acceleration_remote_enabled", false);
+#endif
 pref("media.navigator.hardware.vp8_decode.acceleration_enabled", false);
 #elif defined(XP_LINUX)
 pref("media.peerconnection.capture_delay", 70);
 pref("media.getusermedia.playout_delay", 50);
 pref("media.navigator.audio.full_duplex", true);
 #else
 // *BSD, others - merely a guess for now
 pref("media.peerconnection.capture_delay", 50);