Each test consists of ten questions. Select the correct answer between three or four possible answers. If the test type is Errors, you must first find the error and then select it in the options. Then he is expected to write a word that would be correct in the sentence. At the end of each test your score is evaluated, which you can then improve. The best possible result is, of course, 10/10 (ten correct answers of the ten questions).
2.3 and up
Ice Cream Sandwich (4.0 - 4.0.4),Jelly Bean (4.1 - 4.3.1),KitKat (4.4 - 4.4.4),Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1)