Must use Libraries and Tips for Phonegap Mobile App

Below are few must use tips and libraries you would use for developing your phonegap mobile app.

CSS Box Sizing

Add below to your css file, its is very important for developing responsive apps.
*{
-webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
-moz-box-sizing: border-box; /* Firefox, other Gecko */
box-sizing: border-box; /* Opera/IE 8+ */
}
A very good explation of box sizing property is given here http://css-tricks.com/box-sizing/

FastClick.js

This is a must have library, to improve speed of clicks and taps in your app. You can find more details here https://github.com/ftlabs/fastclick

FastClick is a simple, easy-to-use library for eliminating the 300ms delay between a physical tap and the firing of a click event on mobile browsers. The aim is to make your application feel less laggy and more responsive while avoiding any interference with your current logic.

iScroll.js

A very handy library for adding sliders, strollers, left scroll menu to your app. It has many uses and is a must have, download link https://github.com/cubiq/iscroll

Phonegap Plugins

Below are some of the must have phonegap plugins which every application uses

Google Analytics for your app:
https://github.com/phonegap-build/GAPlugin

Facebook Login for your app:
https://github.com/Wizcorp/phonegap-facebook-plugin

Native notifications for your app:
https://github.com/phonegap-build/PushPlugin

Save app preferences:
https://github.com/apla/me.apla.cordova.app-preferences

Share you app on social networks, whatsapp etc:
https://github.com/EddyVerbruggen/SocialSharing-PhoneGap-Plugin

Showing small alert/toast messages:
https://github.com/EddyVerbruggen/Toast-PhoneGap-Plugin

Find your app version, useful for feedback pages etc:
https://github.com/whiteoctober/cordova-plugin-app-version