Dong Digital Apps

Learn & quiz flags, capitals, maps & currencies of allcountries with fun

Learn and train how to receive and send Morse code while playing!

Classic arcade Brick Breaker reinvented - relaxing, satisfying andchallenging!

A fun and family-friendly trivia puzzle game designed for people ofall ages.

Learn constellations and stars from an Astronomy Olympiad goldmedal winner

Learn constellations, stars & DSOs from an Astronomy Olympiadgold medal winner

Learn about the most famous 100 paintings and sculptures with atrivia quiz game

Learn and train lip reading with 26 tutorials, 800+ words and 400+phrases!

Play Chinese Checkers (Sternhalma) online with friends or offlinewith bots

Explore and learn phonetic radiotelephony alphabet (alpha, bravo,charlie...)

Basics & interesting facts about the most famous 100 landmarksin a trivia game

Meet fellow amateur/ham radio fans in Public Rooms, Private Roomsand with DMs.

Explore & guess famous landmarks, cities and World Heritagesites from above!

Braille Academy teaches and helps practice Braille in an effectiveand fun way.

Learn & train maritime flag signalling & the InternationalCode of Signals (ICS)

Exciting reinvention of a classical arcade game.

Master the Greek alphabet through reading, listening and speaking

A fun game designed to challenge your strategic thinking and speedof reaction

Relaxing color-by-number game. Free & no ads!

Memorize all elements of the Periodic Table & the most commonchemical formulas

Popular color sorting game reinvented. A brain teaser to keep yourmind sharp.

Classic arcade game Centipede reinvented. Now it’s time to defendyour village!