Grzegorz Kowalewski

Darmowe podręczniki do pierwszej, drugiej i trzeciej klasy szkoły podstawowej przygotowane przez Min

If you want to encourage your children to brush their teeth regularly - this is the best app for you

Can you spot the differences between 2 pictures? Great!!! But can you make it in high speed? Find Di

If you want to get better results during your "time exercises" - RANDOM STOPWATCH / TIMER is your BE

Make Your Baby Sleep!Is your baby too excited to sleep? This app is your best choice. Focusing on th

In the late 4th century Roman Empire began to fall. Surrounded by hostile tribes and weakened by civ