Android Developers Blog: Develop a sweet spot for Marshmallow: Official Android 6.0 SDK & Final M Preview
http://android-developers.blogspot.jp/2015/08/m-developer-preview-3-final-sdk.html?m=1
Googleの次世代Android OSはMarshmallow(マシュマロ)と判明―恒例のマスコットもお披露目 | TechCrunch Japan
http://jp.techcrunch.com/2015/08/18/20150817googles-next-version-of-android-is-called-marshmallow/