Hello @kr1sh ,
Thank you very much for your suggestion. Your suggestion has been communicated to the developer and the development project manager is reviewing the content. After reviewing your suggestions, we will apply them to the official version if your proposal matches our concept. We appreciate your contribution to the beta program.
Whatsapp itself offers an option in settings -> Account -> Privacy -> Finger Print lock. We understand this wont work for all apps but this may be a work around. Please note this wont block ability to answer WhatsApp calls.
One UI Beta Team