Know last used App
Want to know which app was used last time in your phone is pretty much easy by moving to recent app history or app switcher like this…
But what if someone has cleared it….don't worry I'm with you.
Open your phone dialer and press *#*#4636#*#*
It will open up something like this.
Click on Usage Statistics.
Something like this will open up.
Move to Sort by - dropdown menu.
click on last time used.
All done now see the statistics with full details.