How to Recover a Lost Phone, Tablet, or Laptop

http://www.pcworld.com/article/240349/how_to_recover_a_lost_phone_tablet_or_laptop.html

Take Better Photos With Your Android Phone

http://www.pcworld.com/article/205054/take_better_photos_with_your_android_phone.html

Update the Firmware on Your HDTV, Camera, Smartphone, PC, and More

http://www.pcworld.com/article/204428/update_the_firmware_on_your_hdtv_camera_smartphone_pc_and_more.html

DTF Analyzer app

http://www.appbrain.com/app/dtf-analyzer/com.project.dtf

Identify a song app

iPhone
http://www.shazam.com/music/web/pages/iphone.html

Droid:
http://www.shazam.com/music/web/pages/android.html

Geotagging on the mobile phones

http://www.pcworld.com/article/205296/what_your_digital_photos_reveal_about_you.html

Make ringtones using iTunes

http://www.ehow.com/how_5352779_make-ringtone-using-itunes.html