App discovery platform Zappka has raised $100,000 in angel funding from former Line Corp India team Damandeep Singh Soni, Rajat Gupta and other high net worth individuals. Zappka lets users discover apps based on their profile, preferences, friends and social network. The platform was founded in 2015 by former Paytm executive Rajan Gupta and former HP executive Sumit Arora.