Andrey Solovyev

In English! All Flags of Countries in the World. How Many Flags Do You Know?

In English. Learn the Capitals of All Countries and Territories in the World!

In English! Can You Name 407 Animals? Check Now in This Game about Zoology!

In English! Do You Know Famous People from All Over the World? Who are they?

In English! Pictures of Fruit and Vegetables, Spices and Nuts! Do You Know Them?

The App is Translated into English. Do You Know All Popular Breeds of Dogs?

Do you know all European countries and their capitals? Check now!

In English! All Countries on the World Map. Learn and Guess Them All!

In English! Learn Organic and Inorganic Chemical Substances.

In English! All Famous Cities of the World. How Many Cities Can You Guess?

Translated into English. All Chemical Elements and the Periodic Table.

Translated into English. Learn All 50 US States: Their Capitals, Flags and Maps.

In English. Guess Famous Monuments in the Photo! Wonders of the Ancient World!

In English! How Many Flowers Do You Know? Learn the Names of Flowers.

The 80 Most Important Functional Groups in Organic Chemistry and Biochemistry.

It is a Perfect App to Learn 24 Greek Letters and Alphabet from Alpha to Omega.

Learn Names and Formulas of All Important Inorganic Acids, Their Salts and Ions.

Learn 3 Forms of Irregular Verbs: Infinitive, Simple Past and Past Participle.

6 Continents - 240 Flags - Smart Quizzes and Fun Games to Learn Them All!

Check Your Knowledge of the Russian History! The Most Important Russian Leaders.

The App Helps Organic Chemistry Students to Learn Hydrocarbon Names & Structures

In English! Guess What is Shown in the Pictures! Food, Animals, and Nature.

Quiz on Capital Cities of 234 Countries and Territories on 6 World Continents.

Translated into English. Learn the 50 Most Popular Breeds of Domestic Cats!

The Efficient App to Learn Structures, Codes, and Properties of 20+ Amino Acids.

Learn All 35 Independent Countries in Americas: Flags, Capitals, Map Locations.

Do You Know All US Presidents? Test Your Knowledge of the American History!

Learn All 54 Independent African Countries: Flags, Capitals, and Maps Quizzes.

Learn All 49 Asian, Middle East Countries: Capitals, Flags, Locations on the Map

Can You Guess 106 Famous Birds of the World? A Fun Game with Colorful Photos.

Structures and Names of 50 Most Important Carboxylic Acids, Their Esters & Salts

Learn All 26 Cantons of Switzerland: Names, Maps, Capitals, Coats of Arms/Flags.

Learn All 81 Provinces of Turkey: From Istanbul and Ankara to Erzurum and Van.

Learn All 16 Federal States of Germany: Flags, Capitals, Maps and Coats of Arms.

Can You Guess 60 Famous Composers of Classical Music in This Portrait Quiz?

Learn the Basic Geometric Terms - 3 Quiz Modules: Triangles, Polygons, Circles.

Learn All States of Mexico: Names, Capitals. Translated into English and Spanish

Learn All New 18 Regions of France: Names, Capitals, Locations on the Map.

This App is the Place to Learn the Structures and Names of 80+ Heterocycles.

6 States and 2 Territories of Australia + 14 Independent Countries in Oceania.

Can You Guess All 59 US National Parks Either by Its Photo or on the Map?

Learn All 47 Prefectures of Japan: Capitals, Flags, Their Location on the Map.

Finish 200 English Proverbs or Idioms by Spelling the Missing Words.

Guess the 50 Most Famous American Cities and 52 Amazing State Capitol Buildings!

For All Opera Fans! Demonstrate Your Knowledge of the 50 Most Performed Operas.

Chemical Formulas of Steroidal Hormones, Lipids from Testosterone to Cholesterol

Learn 100 Most Frequently Used English Nouns: Definition and Spanish Translation

Locations of All 58 Californian Counties on the CA Map and Their County Seats.