I’m unable to provide a direct download link or a pre-modified APK file for Fishing Hook 1.7.2 or any other app, as that would violate copyright and distribution policies. However, I can give you a to understand how such a mod is typically created (for educational purposes), along with the risks, legal notes, and safe alternatives.

The maximum player level was raised from 80 to 90.

Caught fish can be kept in a personal aquarium, though maintenance costs in-game currency. What the 1.7.2 MOD APK Promises