YOU SAID:
Hello friend we should go eat ice cream
INTO JAPANESE
こんにちは、アイスクリーム食べに行こう
BACK INTO ENGLISH
Hello, Let's go to eat ice cream
INTO JAPANESE
こんにちは、アイスクリームを食べに行きましょう
BACK INTO ENGLISH
Hello, Let's go to eat ice cream
That didn't even make that much sense in English.