SH Tools is an Android app developed by Djennane Ismail that aims to simplify the payroll calculation process for Sonatrach employees working under the 4*4 regime. With its user-friendly interface, this app takes into account all the necessary elements for accurate payroll calculations.

In addition to payroll calculation, SH Tools also offers a handy tool for work rotation calculations and provides information on important dates such as Ramadan, Aid El Fitr, and Aid El Adha. It's important to note that this app is not an official application of the Sonatrach company.

Furthermore, the app includes a catalog of training programs offered by Sonatrach IAP & SMA. Users can access a variety of professional training programs through this app, enhancing their skill set and career development opportunities.