MyMory

A card appears: pick the right answer out of four before time runs out. Each line of the list comes up once, in random order and in either direction: you review "France → Paris" as well as "Paris → France". Tapping an answer moves straight to the next card, so you keep your momentum, and the result comes at the end.

Easy (15 s per answer), Medium (8 s), Hard (4 s), then Custom, where you set the time yourself, from 2 to 30 seconds. Medium unlocks after 20 perfect games on Easy, Hard after 30 on Medium, Custom after 50 on Hard. They're counted for each list, don't have to be in a row, and opened levels stay playable.

A line can link 2, 3 or 4 items: a word and its translation, a country with its capital and flag, a chemical element with its symbol, atomic number and family. From Medium on, a card asks for several answers one after the other, with more time: the "Japan" card asks for its capital, then its flag.

At the end of every game: your score, each mistake with the right answer, your time and your progress toward the next level. A perfect game is celebrated with confetti, a newly opened level is announced, and you can play again right away.

Work on a section of a list, say lines 9 to 14, the ones that give you trouble, at a level you've already opened. Practice counts in your history and your stats, but not toward unlocking levels: to move up, you have to play the whole list.

Write a list line by line in the editor: pairs, triples or quadruples, with a name for each column. From 4 lines on, it's playable; if something is blocking, the list's screen tells you what. Editing a list keeps its progress.

Import a CSV, TXT or Excel (.xlsx) file, from your phone or an online service. The separator and the header are detected, and a preview shows the lines found and the ones skipped before you import. A template to download shows you the expected format.

Sort your lists into groups, like folders that collapse and expand. Create them, rename them, put them in the order you want. A long press selects several lists to move them together, even into a new group created on the spot.

Star your favorite lists: they stay at the top. Search for a list by name, filter by group, status or level reached, and sort by name, last game, level or date added. Your sort order is remembered.

Games played, perfect games, correct answer rate, average response time, play time, day streak and record, charts of your games and scores. For each list, the lines you miss the most, and the history of all your games, to review one by one.

MyMory makes an image of your result, in the app's colors, which you see before sending it. And to show MyMory to your friends, send them the app from Settings, through the messaging app of your choice.

On first launch, MyMory installs 161 lists sorted into 13 groups: vocabulary in French, Spanish, German, Arabic, Japanese, Chinese and Russian, and in 4 languages at once; geography; science; mathematics; general knowledge; codes and alphabets. They're yours: edit them, delete the ones you don't need, and bring them back anytime from Settings.

13 achievements to unlock with Google Play Games: your first perfect game, Hard unlocked, 100 games finished, a list of quadruples on Hard without a single mistake… The ones you've already earned unlock as soon as you first sign in.