<Li> On May 19, 2014, for the 40th anniversary of the Rubik's Cube, Google made an interactive virtual Rubik's Cube that people could try to solve . </Li> <Li> On April 14, 2015, for the 155th anniversary of the Pony Express, Google made a playable 2D side - scrolling doodle game in which the player collects mail, avoids obstacles, and delivers up to 100 letters from California to Missouri . </Li> <Li> On December 17, 2015, a Google Doodle was featured honoring the 245th anniversary of Beethoven's baptism . It features an interactive game to match the musical writing in correct order as it featured 4 levels . </Li> <Li> On August 5, 2016, for the 2016 Summer Olympics, the Google app received an update for Android and iOS devices to include 7 mini games called "Doodle Fruit Games" featuring Strawberry, Blueberry, Coconut, Pineapple, and more . It lasted until August 21, with a new mini game every day . The game was accessible on the Google app by clicking on a play button . </Li>

What is the meaning of google doodle today