Give your child the chance to learn their surroundings with a personal memory such as family (grandfather, mother, grandmother, etc.) memory, toys memory, etc.
It only takes a few minutes to create your own game, take a photo and paired into what is seen in the picture, or speak: Dog (e.g)
You can increase the difficulty by adding more images. From start you maybe start with two images, but when your children envolves you can increase the difficulty to 8 images, total of 16 cards.
Take the chance and make your own game for your child / children and watch them evolve