DuesClerk Application

Hello developers, I just uploaded version 1 of DuesClerk to play store.
DuesClerk is an android application to manage dues(debts) for personal and business use.
The application is still in the testing stages. Any reviews and suggestions will be great.

This application enables users to:

A. Contacts management
1. Add contacts.
2. Update(edit) contacts details.
3. Delete contacts.

B. Debts management
1. Add debt records to contacts.
2. Update(edit) debt record details.
3. Delete contacts debt records.
4. See total number of debts for contacts.
5. See sum of contacts debts.

C. Sort operations
Users will be able to use the following sort operations.
1. Sort contacts by name in ascending and descending order.
2. Sort contacts by debt amount in ascending and descending order.
3. Sort contacts by number of debts in ascending and descending order.
4. Sort debts by amount in ascending and descending order.
5. Sort debts by date issued in ascending and descending order.
6. Sort debts by date due in ascending and descending order.
7. Sort debts by date debt added in ascending and descending order.

D. Dashboard - Coming soon
Users will see:
1. Total number of people they owe.
2. Total number of people owing them.
3. Total sum of debts they owe.
4. Total sum of debts people owe them.
5. Contacts the user owes the most.
6. Contacts who owes the user the most.
7. Debts that are due.
8. Debts that are overdue.
9. Contacts with and without debts.

Below is the play store link
https://play.google.com/store/apps/details?id=com.duesclerk