Hi Appninza,
Here are some of the application i am obsessed with, you can try them too..
Gaming Apps:
PubG Mobile, 8 Ball Pool, Temple Run 2, Subway Surfer, Candy Crush Saga
Social Apps:
Facebook, Twitter, Instagram, Snapchat, WhatsApp, Telegram, Skype
News:
Google News, InShorts, BBC News
Shopping Apps:
Amazon
Cheers
Tony