Hello Jay~ Thank you for sharing your favorite movie :) I'm glad that you are doing your best to improve yourself. I colored the words and sentences that I modified. Kindly check out the corrections if you have the time.

Catherine :)

YOUR MISTAKES:

My favorite movie genre is romance. One of the most memorable movie is ‘TITANIC”.
It was released in late 1990’s.
It’s about a love story. The main stars were Leonardo DiCaprio and Kate Winslet.
The director was James Cameron.

My favorite actor is Kate Winslet. As you know, I love romance movies so much. She starred in titanic, the dress maker etc. I like her because she has amazing acting skills and she has a classical beauty. Especially titanic is the most memorable movie I've ever seen. It a had a sad ending. You should definitely watch it.

Between 10 years ago and now, cinema system have changed in many things.
10 years ago, for watching a movie, we should go to a cinema 2-3 hours ago for buying a ticket and then should wait until start time. Sometimes while waiting a movie, I watched another movie.
Recently I reserve tickets on the smartphone. So I don’t need to wait to watch a movie.
It is very convenient to buy on the smartphone.

CORRECTIONS:

My favorite movie genre is romance. One of the most memorable movie for me is ‘TITANIC”.
It was released in the late 1990’s.
It’s about a love story. The main stars were Leonardo DiCaprio and Kate Winslet.
The director was James Cameron.

My favorite actress is Kate Winslet. As you know, I love romance movies so much. She starred in titanic, the dress maker, and etc. I like her because she has an amazing acting skills and a classical beauty. Titanic was the most memorable movie that I've ever seen. It had a sad ending. You should definitely watch it.

Between 10 years ago and now, cinema system has changed in many ways.
10 years ago, if you want to watch a movie, you should go to the cinema at least 2-3 hours earlier to buy a ticket and then wait for it to start. Sometimes while waiting for the movie, I can watch another movie.
Recently I reserve tickets on my smart phone. So I don’t need to wait to watch a movie.
It is very convenient to buy tickets using the smart phone.