快乐 are 识写字 from the MOE Primary 1 Chinese Syllabus. Understanding Stroke Order (笔顺) is a P1-3 objective as it builds a strong foundation in Written Chinese. Note also stroke direction.
Radical (偏旁部首)
The radical of the Chinese character is shown in blue. Radicals break words into parts. It helps reduce cognitive loads in learning.
Remainder
Number of words not attempted at a level.
Pencil and paper test
Test child with pencil and paper after completing Spelling Assessment (听写). Practice further if required by revising at the
appropriate levels.
Button Description
forward Next Word
record_voice_over Say Word
settings_backup_restore Set level star_borderstar_borderstar_border to starstarstar
playlist_add Set new practice list from either