Android app is also available, 

Android app link- – Download here

Java Developer must have skills(For Job)- 2020

1- Core Java

2- Advance Java (Servlet and JSP)

3- One Database framework/ORM Tool – (Hibernate)

4- One Java MVC framework- (Spring)

5- One Javascript framework- (AngularJS framework)

6- Basic SQL Queries Knowledge

7– Testing Framework (JUnit) (work in progress …)