Singapore MRT (map, better itinerary, station locator) Singapore MRT (map, better itinerary, station locator) 
Hong Kong MTR (map, better itinerary, station locator) 
London underground (map, better itinerary, station locator) 
Paris underground Metro & RER (map, better itinerary, station locator) (In French) 
Dubai metro 
National Flags and Capital Cities 
National Flags 
Capital Cities 
World famous landmarks 
Chinese HSK Vocabulary Lean the vocabulary for the tests HSK1, HSK2 & HSK3
Hebrew Alphabet from Aleph to Tav 
Arabic Alphabet from Alif to yā’ 
Japanese Kanji 
Japanese Hiragana & Katakana 
Greek Alphabet from Alpha to Omega 
Russian / Cyrillic Alphabet 
Korean Alphabet 
Italian regions (in Italian) 
Brazilian states (in Portuguese) 
Spanish communities (in Spanish) 
German Lander (in German) 
Austrian Lander (in German) 
Cantons of Switzerland (in German) 
Provinces of Sweden 
The 50 USA states 
French Region (in French) 
Departments of France (in French) Region & Departments of France (in French) 
Provinces of Belgium (in French) 
Provinces of the Netherlands 
Provinces and territories of Canada 
States and territories of Australia 
Counties of England 
Japanese prefectures (in Japanese) 
Paintings and works of art 
Tournament Organiser an app to organise a chess tournament
Chess tactics an offline chess tactics app
Basic chess an offline 2 players chess app
Chess 960 an other chess app - to generate starting position of chess 960
Basic tic tac toe tic tac toe to play with your friend or versus 3 different AI levels.
What should I eat today ? for those who can't make up their minds