YOU SAID:

Hi dude watcha doing?

INTO JAPANESE

やあ、ワチャやってるの？

BACK INTO ENGLISH

Hi, are you doing Wacha?

INTO JAPANESE

こんにちは、ワチャをやってますか？

BACK INTO ENGLISH

Hello, are you doing Wacha?

INTO JAPANESE

こんにちは、ワチャやってますか？

BACK INTO ENGLISH

Hello, are you doing Wacha?