The Amazon Appstore updated to version 22.214.171.124C today, mending an account switching logout issue plaguing Android 4.2 users. Other new software highlights include: long press removal of applications from My Apps, a battery drain bug fix and a Kindle Fire HD inspired makeover for the Appstore's UI. Don't have Amazon's alternative to Google Play, but would like to give it a spin? Hit the source link below for a complete installation walkthrough of its latest version. Incumbents, feel free to pull down the update from within the app itself and wave bye-bye to those pesky bugs.