Would it be possible to add extra functionality?
I am open to consider adding extra functionality, especially when i know users want that specific functionality. 
Popular questions for this item
I would like to include some of your App features to my App like Push Notifications etc. Can your item help me?
Definitely! Documentation covers from customizing the Projects resources to how to include features to your App as well. Feel free to comment for more details if the documentation doesn’t cover you.
What is Parse Server / Platform?
Parse was a Mobile Backend as a service platform originally developed by the provider Parse, Inc. The company was acquired by Facebook in 2013 and shut down in January 2017.
Following the announcement in 2016 of the impending shutdown, the platform was subsequently open sourced.
Some free and recommended Parse Server are: https://buddy.com/mobile-backend/ and https://back4app.com/
You can also find an article that compares Parse Platform with Firebase here: https://blog.back4app.com/2016/06/15/firebase-parse/
You can find more details on how to configure them in the documentation of this item.
What is Xamarin
Xamarin is a Microsoft-owned San Francisco, California-based software company founded in May 20113 by the engineers that created Mono,[4] Mono for Android and MonoTouch, which are cross-platform implementations of the Common Language Infrastructure (CLI) and Common Language Specifications (often called Microsoft .NET).
With a C#-shared codebase, developers can use Xamarin tools to write native Android, iOS, and Windows apps with native user interfaces and share code across multiple platforms, including Windows and macOS.[5] According to Xamarin, over 1.4 million developers were using Xamarin’s products in 120 countries around the world as of April 2017.
On February 24, 2016, Microsoft announced it had signed a definitive agreement to acquire Xamarin.