After introducing the screen lock feature for iOS beta users more than three months ago, WhatsApp has now started rolling out a similar feature called "Fingerprint lock" for Android beta users, the media reported. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-9…","video_id":"99636651-e7b3-47aa-a6a8-a6902533cc77","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"World’s Top 10 Airports 2019 "} When this feature is enabled, users will have to use fingerprint to open WhatsApp. But users will still be able to answer calls even when WhatsApp is locked, WABetaInfo, a ...