Play Smart Guess is a free trivia game developed by Play Smart GR for Android devices. The game offers a variety of categories to choose from, including "Box Office stars", "Capital of country", "Constellations", "Country from flag", "Country from capital", "English football", "Famous people", "Famous attractions", "Olympic sports", "Proverbs" and "Riddles".

The game consists of guessing the answer among six choices for questions like "Which is the flag of France?", "Which is the capital city of Spain?", "Which country has this flag?", "Which is the Greek flag?", "Justice is ........" and "One of the nicknames used for the football club Charlton Athletic". Play Smart Guess supports multiple languages like Deutsch, English, French, Greek, Italianο, Portuguese, Russian and Spanish.

The best part about Play Smart Guess is that no internet connection is required to play, and it does not require any special permissions. Overall, Play Smart Guess is a fun and engaging game for trivia lovers of all ages.