Mission: Subhero - superpowers in a phone's app for everyone by Linda Armstrong

Mission: Subhero - superpowers in a phone's app for everyone by Linda Armstrong
https://www.amazon.com/Mission-Subhero-Linda-Armstrong-ebook/dp/B0735GD1L3

Unassuming 20 year-old Nelson discovers a trick to coding that turns his world upside down!

Getting random notifications for specific items, Nelson becomes a superhero without realizing it.  When he becomes aware, the media search for him leads him to unveil this ability for anyone who wants to become a hero. The race begins, with government agencies wanting to shut this down before it upsets their agenda and the media on the lookout for the original hero. 
Haven't you ever wanted to become a superhero?  Pick up a potato masher and a feather and join the heroes in changes in the world that will have you cheering!