New: Vowel Harmony practice — ev + -ler, at + -lar. Every card explains the rule and plays the whole word (28 recorded words, 3 suffix groups).
• 6 Turkish pronunciation rules — ı vs i, vowel harmony, silent ğ, c vs ç, final stress, p ç t k softening
• Minimal pairs on the letter page: ı / i, on / ön, kul / kül
• Case quiz always drills ı → I and i → İ
• Handwriting redrawn for all 29 letters, uppercase included
• Letter names on every letter; Sleep Mode keeps playing with the screen locked