As the apps go, I would remove the brain teasers. Who's to say the kids aren't playing games? I would eliminate anything the kids need headphones for.
The most difficult part of writing full length novels is coming up with names for characters. If you use an acquaintance of yours, you should get their permission to do it first. I use Irish names because I am Irish. You should use the popular names for your background and read Jonathan Kellerman and Faye Kellerman while writing. They can show you when to start a new chapter and when the characters will become all too real. It will also be fun. This is true for any category of writing: fiction, non-fiction, science fiction, or comedy. I found that once a story gets going it just flows o...