1) battery - to check your battery status ( choose wisely, some of them will drain your batt like crazy)
2) fotor - edit photo (free)
3) metrotube - youtube alternative
4) nextgen reader or wpcentral - both recommended (trial or buy)
5) nokia glam me - to shot selfportrait
6) dictionary by flow simulation - can use offline or english toolkit ( now free ) or offline translator
7) photobeamer - easy transfer photo to pc
8) proshot - must have
9) scan - to scan qr code
10) skydrtive / Box - cloud storage
11) store deals - let you know app gone for free
12) chatting - whatsapp, wechat,viber ( i use all)
13) sport - EPL live (smooth & clean)
14) #2instawithlove - support nokia bring instagram to WP
15) weather - dont know which one accurate
16) facebook - i use microsoft ( dont have any problem so far & very metro style)
17) fastlight or else - use as torchlight
18) moleskin jurnal & geo tasker - as a planner / task note , can use as reminder also
19) quran phone - if u r muslim
20) finally any xbox games - very pricey but worth it

# i dont listen to song, so i dont have app for music
# make sure to check last updated - at least jan 2013

1. "Metrotube" for Youtube
2. "Fuse" for RSS feed/Google Reader
3. "WPCentral" for latest Windows Phone related news.
4. "Viber" now with talk+msg
5. "TVShow" if you watch English TV series to keep track.
6. "Runtastic PRO" if you do running/cycling.
7. "Photosynth" for Panorama shots.
8. "Chronos Calendar" for replacing default Calendar.
9. "Battery Sense" for battery management.
10. "4th & Mayor" for foursquare.