No, it is not common to write with brushes/paintbrushes.
Japanese calligraphy, an art, is practiced with brushes. Much Chinese and Japanese calligraphy is highly prized and often found on display. Today most of the writing is done using pens, but the original work was done with a brush, and the directions and pressure affected the writing, creating differences to what is often seen today.
Japanese
2
Paintbrushes were created by the original makes of neopets.
"Japan Forum", there are Japanese natives/people with good knowledge of Japanese on there who will help you with whatever language questions you have
モスクエダ this is how you write mosqueda in Japanese
yes.
You can find paintbrushes by either looking it up in the Marketplace, OR when your lucky, you will get a paintbrush by random events.
You can use paintbrushes to change a Neopets color. Rare paintbrushes are sometimes given out as a prize or can be bought in shops. Certain paintbrushes only work on certain pets.
yes,there are paintbrushes on neopets,but you have to pay neopoints in orderto buy paintbrushes.you can earn neopoints by playing games.
They actually don't read backwards. The Japanese read from right to left because they write different than the people in the US. They probably think that we write and read backwards. It's kind of confusing.
paintbrushes
You can find paintbrushes pretty much anywhere. If you buy any house there is bound to be a paintbrush somewhere.