국내 OS 별, 단말기별 점유율

https://developer.android.com/about/dashboards/

https://www.appbrain.com/stats/top-android-phones-tablets-by-country?country=KR

https://www.appbrain.com/stats/top-android-sdk-versions

http://gs.statcounter.com/vendor-market-share/mobile/asia/2018