Company Nino Popa created these great apps:
MQuiz Addition Subtraction - Math Quiz for Kids, MQuiz Multiplication Division - Math Quiz for Elementary School, MQuiz Number Line - Number Sequence Math Quiz for Pre-School, Kindergarten and First Grade, Negative Number Line - Number Sequences Math Quiz - MQuiz, MQuiz Skip Counting - Number Sequence Math Quiz, MQuiz Three Numbers Addition - Elementary School Math Quiz, MQuiz Three-Digit Numbers Addition and Subtraction - Mental Math Quiz, MQuiz Balance Addition Equations - Elementary School Math Quiz, Binary Ninja - Binary Math Quiz, Adding Decimals MQuiz - Math Quiz and Practice for Elementary, Middle and High School Education, Subtracting Decimals MQuiz - Math Quiz, Drills and Practice for Elementary, Middle and High School Education, Number Sequence - What's the Next Number in the Series of Numbers?, MQuiz Integer Addition - Adding Positive and Negative Integers - Math Quiz, MQuiz Integer Subtraction - Subtracting Positive and Negative Integers - Math Quiz, MQuiz Mixed Integer Addition and Subtraction, MQuiz Add Multiple Numbers - Math Quiz and Practice, MQuiz Subtract Multiple Numbers - Math Quiz and Practice, MQuiz Mixed Add Subtract Multiple Numbers - Mental Math Quiz, MQuiz Four-Digit Numbers Addition and Subtraction - Mental Math Quiz, MQuiz Multiply Three or More Numbers - Mental Math Quiz, 英会話はじめの300, Engleză 300 Fraze Începători, Englisch Anfanger (mit Stimme) 300, Inglés Principiantes (con Voz) 300, Romanian (Male) Quick Phrasebook - Basic Phrases with Audio, Romanian (Female) Quick Phrasebook - Basic Phrases with Audio, Japanese Quick Phrasebook - Basic Phrases with Audio, PolyGloty - Spanish Basic Phrasebook, and others..