Kathmandu, Feb. 8 -- There was a time when smartphone shoppers looked for phones packed with every feature they could possibly need. Everybody wanted a phone that is a radio, torch, camera, Internet portal, gaming console, alarm clock, calculator, map, calendar, personal assistant, notepad and more - all rolled into one block of various metals, wrapped in plastic (or glass).

These days, phone users are just looking for a great camera to capture moments to share. Yes, battery life and physical features are still important when making a purchase, but with most premium phones averaging at a battery capacity of 3500-5000mAH, the power bank is hardly a matter of contention.

Regarding the physical appearance, snazzy phone covers and pop socke...