: There isn't a widely known application or APK specifically named "Facebook Handler". It's possible that this could be a third-party app, a modded version of Facebook, or something developed for specific tasks related to Facebook.

: Designed to run on the API 9 (Android 2.3) architecture with a small file size (often under 2MB for Lite versions).

: A required component in the AndroidManifest.xml that allows the Facebook app to access content (like images) from your application for sharing.

: Included proxy settings to allow users on certain mobile networks to use the app without consuming data.

If the Handler continues to crash, disable deep linking entirely:

On Android 23 (API 23), app link verification also requires a Digital Asset Links file hosted on facebook.com . If verification fails, the Handler will show a disambiguation dialog.

: The addition of "paper" in your query suggests you may be looking for a research paper, thesis, or documentation that uses this specific software version as a case study or technical reference in an academic context. BrowserStack Actionable Information