Doraemon

I replied I would want "a dokodemo-door"which is a door that would let me go wherever I wanted to. I asked her same thing.

I've read a bit of Doraemon myself, and I totally love the dokodemo door. Probably one of Doraemon's more useful tools.

She said ,"I would want "Doraemon"because I could use all of the tools".

(another way)
She said, "I would want Doraemon, so I could use all of the tools."
She said, "I would want Doraemon, because then I could use all of the tools."

So, I said, "you are a little bit greedy."

Then, I remembered that when I was a child, I thought same thing.

Doraemon is still one of the most popular animations in Japan.

(another way)
Doraemon has been one of the most popular animations in Japan.

I think if our technology developed more, the day would come that people could be helped by Doraemon.

(another way)
[I think] if our technology developed more, there will [definitely] come a day where people could be helped by [something/someone like] Doraemon.

Then,I remembered that when I was a child, I thought the same way thing.

I think if our technology should developed even more,the day would come that when people would be helped by Doraemon.