Undergraduate / 'obsession with Asian pop and Hispanic music' Stanford supplement letter to roommate [4]

kind of short don't you think? This is a fun time where you can share everything about yourself to those college people. Things that can distinguish you from another applier. I would suggest you write more, dig a little deeper into yourself instead of giving out general information.

Undergraduate / 'seed planted in my heart' - meaningful experience - Stanford Supplement [3]

The essay is a little bland. I think you need to explain more, add more detail. It just seems like an outline rather than an essay. You have a lot to write about; show why you should be picked rather than the next guy.

As one of the light ray shone on my face, I knew instantly that I want to participate in that research.

This sentence seems a little off for me. Did you really know that instant that you wanted to participate in research? I don't believe it. At least, it sounds like that from you're writing. Make it more believable instead of generic.

Undergraduate / 'my idea of studying in the United States' - Common Application: Three [4]

Nice essay. Although I would caution you that using a family member is overused in this topic. I would suggest saying something unique, like a certain experience or day, that showed just how much your grandfather influenced you.

Scholarship / Registered Nurse became my new goal; SCHOLARSHIP/ Primary goal? [8]

Nice job! It's not bad but it is kind of difficult to understand your logic. You start by talking about you're fear of working at a hospital and you overcoming this fear. And then you go on explaining that you need to have an education to achieve your goal. But the prompt is asking about your primary goal for going to school, yet you focus more on overcoming your fear. I would suggest explaining why education is necessary more.