Lotto Random Number Passwords Generator is an Android application developed by ChemEng Software Design. It provides an easy way to generate random numbers for various purposes, including games and personal requirements. The app allows users to generate numbers between different number ranges, different amounts of numbers per range, and the number of games per range. The produced numbers can be saved, exported to a CSV file, and directly emailed elsewhere. The app also offers the ability to generate unique or possible repeat numbers, and users can alter the number ranges and store them as defaults.

The app displays statistics of the numbers generated, including number repeat count, percentages, and totals, in the popup results viewer. Users can turn on or off the results viewer to be displayed directly after processing via the settings page. The app includes flip games and the ability to create your sequence display, such as names. Additionally, the app includes a Sudoku game that provides various game levels and controls for solving the puzzle. Sudoku is a game where each row, column, and each 3x3 square must contain numbers 1 to 9, and each 3x3 square is represented by a color. Version 2.4 of the app includes a password generating screen and general code and screen interface changes.