What is the 18 Years Jee Main Solved Papers Offline application, how does it work?

According to the introduction of SUPERCOP, 18 Years Jee Main Solved Papers Offline is a Education app on the Android platform. There is currently a 2.6 version released on Feb 19, 2020, you can see the details below.

Last 18 years Jee Mains Solved Paper contains the following papers and their solutions:-
1 Jee Main 2019
2. Jee Main 2018
3. Jee Main 2017
4. Jee Main 2016
5. Jee Main 2015
6. Jee Main 2014
7. Jee Main 2013
8. AIEEE 2012
9. AIEEE 2011
10. AIEEE 2010
11. AIEEE 2009
12. AIEEE 2008
13. AIEEE 2007
14. AIEEE 2006
15. AIEEE 2005
16. AIEEE 2004
17. AIEEE 2003
18. AIEEE 2002