In order to install apk file to the Android device, basically we need to do the following. 1. On Android device, navigate to 'Apps' > 'Settings' > 'Security', enable 'Unknown Sources', then tap 'OK' to agree to enable this setting. This will allow the installation of third party apps and standalone APKs.
pin-up (plural pin-ups) A photograph, printed in a magazine or other publication, of a sexually attractive person (often nude or provocatively dressed), and intended to be removed and pinned up on a wall. The person so depicted. (figuratively) Figurehead, person who represents an idea, cause etc. quotations %