Pick a mode, keep the right JLPT level, and let SRS capture the answers that are ready.
Draw hiragana stroke by stroke, with a visual guide and then from memory.
Train katakana separately with stroke order, direction and shape checks.
Read, understand, then type the exact reading to reinforce active recall.
Rebuild natural Japanese sentences from their meaning.
Train particles, structures and conjugations through short drills.
Run a timed mock session with JLPT N5 to N1 questions.
10 random questions to see if you are ready, without the full mock.