Verified answer

what do you like about me, so that you decided to added me to your msn contacts?

Lo que dice Mrs. Bautista está bien, pero me suena más natural decir:

What was it about me that caught your attention, that made you interested in putting me in your msn list?

What was it that caught your attention about me that you added me to your msn list.

asi como la de arribaa =D

Asi como lo dice la princesa.

"What about me called your attention that you decided to add my name to your msn list?"

También pero más rebuscada:

"What called such an attention about me that you decided to add my name to your msn contacts?"

wtah fert wtah lou wtah te ..................

What was you see interenting about me, that you decided add me in your msn?