Suku Suku Plus is a free educational game app for children aged 2, 3, 4, 5, and 6 that allows them to practice hiragana and katakana, kanji for first graders, and learn numbers and shapes while having fun. There are many educational games that young children can play, practice, and learn by themselves, such as tethering, counting, hiragana tracing, and katakana tracing.