Solve logic puzzles based on Albert Einstein's riddles. Each puzzle has a single correct solution requiring logical deduction. Track progress and improve critical thinking skills through challenging brain exercises.
The app includes 2000 TOEIC-level words divided into 50 lessons. Users can practice spelling, look up word meanings, and back up their data to the cloud.
Learn Korean vocabulary with daily word sets tailored for memorization. Take tests to review words learned that day. Hear word pronunciations and see example sentences. Review by part, unit, or entire Korean. Save difficult words to favorites.
