TripTab Forge is an application designed for building expense reports. Users can input various expenses, categorize them, and add details such as dates and amounts. The app allows users to edit an entry screen to customize the way they enter expense data. Users can create or modify additional project files as needed. The application has a structured layout that enables easy navigation through different sections. Users can utilize existing dependencies to enhance functionality, but they are not permitted to add new packages unless necessary. The app maintains a consistent routing and launch behavior throughout its use. Overall, TripTab Forge provides a straightforward way for users to manage and report their expenses.