“Unlock for full potential” = full version not available – Colorful ABC (Nursery English Alphabets Flashcards for Kids | Montessori Education) Review

Reviews say to “unlock for full potential” - This just means that you can’t review all of the letters for free. You can review all the way up to M, but you must pay if you want the rest of the alphabet.
Review by swilliams6813 on Colorful ABC (Nursery English Alphabets Flashcards for Kids | Montessori Education).