Magic Square Puzzle - A Number Game for Everyone!

What is magic square?
A Magic Square is an arrangement of distinct numbers (i.e. each number is used once), usually integers, in a 3×3, 4x4 or 5x5 square grid,
where the numbers in each row, and in each column, and the numbers in the main and secondary diagonals, all add up to the same number.


The Puzzle:
The puzzle is all about finding those numbers and arranging them in such a way so that the Target Sum can be achieved.


Features:
1. Lots of new games in three difficulty levels - EASY, MEDIUM and HARD.
2. The sum for the entered number is calculated at run time to help the player concentrate on finding the numbers.


Feedback & Suggestions:
Your feedback and suggestions are the most valuable thing to me as an android developer.
Please drop in your comments. This will help me improving this app and encourage me to create more cool apps.

Thank you and have fun!