The problem Dex Office Suite solves

Reduces the number of applications required to perform basic features that are useful for every Office-goer that includes but is not limited to Document Scanning, Notepad, and much more. Adding to that, Dex Office Suite stores all your data locally hence there is no way User Data is stolen. The UI is really simple to ensure ease of access to the End-Users.

Challenges we ran into

Optical Character Recognition is a hybrid of Convolutional neural network and Recurrent neural network which requires high Graphics Processing Power. Mobile devices do not have GPUs that are as powerful as the ones on laptops and hence OCR cannot be implemented directly into an Android App.
To solve this, we used the Firebase ML Kit Library

Another bug we faced is that Android's internal libraries do not support PDF rendering hence we cannot display PDFs to the End-User by using the internal libraries only
To solve this, we used a PDFLibrary that renders the PDF