Sudoku Games and Solver is an Android-based app designed and developed by RikkiGames Limited. The app is a comprehensive package for Sudoku lovers that offers a wide range of puzzles for all levels of players. The app includes six sets of Sudoku puzzles, from beginner to expert levels. It also offers a daily Sudoku challenge, random Sudoku puzzles, and a Sudoku solver.

The app provides millions of different Sudoku puzzles, each with a unique reference. It offers five levels of difficulty, a timer to record the time taken to complete a puzzle, and achievements to earn titles. There are also leaderboards to compare progress with other players. Users can choose between portrait or landscape orientation for maximum comfort and can personalize the playing experience with different themes and options. Overall, Sudoku Games and Solver is a logical and fun app that offers a complete Sudoku experience.