You have to add a method in IntentUtility as dialPhoneNumber which takes a Fragment Activity and String for phone number .This method should fire a intent to the phone dialer to initiate a phone call .

Go to IntentUtility from Utils then add a method which creates an intent to Email with no attachments, this feature is closely linked with Sales and Supplier Tabs

A Splash Screen is a screen that appears when you open an app on your mobile device. Sometimes it’s referred to as a launch screen or startup screen and shows up when your app is loading after you’ve just opened it.
When the loading is finished, you’ll be taken to a more functional screen where you can complete actions.