France24 also had an excellent article about it, excerpt
"It has a lot of fun, goofy stuff to celebrate what an incredible song writer, fashion icon, and musical innovator he was," doodle team creative lead Ryan Germick told AFP during a visit to their base at Google's headquarters in the California city of Mountain View.
"Freddy Mercury was an awesome performer, an ambitious creator and pioneered really audacious concept records," Germick said. "We just love him; we've been blasting Queen for the last couple of months and it is always joyful."Read more. See also, Queen guitarist Dr Brian May's post in the Google blog.
Previously, the animated doodle for Lucille Ball's 100th birthday was also very creative, allowing for interaction with different 'channels'.