Cookie (edit)

JavaScript Client-Side Cookie Manipulation Library

https://github.com/ScottHamper/Cookies

Facebook Login in Windows Application

https://github.com/qmatteoq/FacebookSample-Universal

Facebook Login inside WebView

http://forum.shephertz.com/?qa=6191/integrating-a-webview-inside-unity-to-sign-into-facebook

https://stackoverflow.com/questions/12648099/making-facebook-login-work-with-an-android-webview

https://stackoverflow.com/questions/23790231/android-webview-and-facebook-login-not-working

https://stackoverflow.com/questions/13668056/webview-could-not-load-oauth-url

http://androidlift.info/2016/01/01/facebook-login-android-example/