Kohtaa
Animation: one person asks where the station is, and the translation appears word by word on the other person's half of the screen while they are still talking. Then the other person answers and it works the same way back.
Speak normally. The other person reads it live, usually within a second.
Talk across languages, face to face
Put one phone or tablet flat between you. Each of you picks a language. Speak, and the translation appears live on the other person's half of the screen.
Lay it flat
Put one phone or tablet between you. Each of you gets your own half.
Pick your languages
Choose what you speak. Your half shows what the other says, in your language.
Just talk
Translations appear live on the other person's half. No buttons needed.