azurecurve

Plugin providing shortcodes and functions to allow different content to be served to different types of device (Desktop, Tablet, Phone); also includes checks on types of device (iOS, iPhone, iPad, Android, Windows Phone) and mobile browsers (Chrome, Firefox, IE, Opera, WebKit).
The following shortcodes are available: 
* ismobile 
* isnotmobile 
* isphone 
* isnotphone 
* istablet 
* isnottablet 
* isios 
* isiphone 
* isipad 
* isandroid 
* iswindowsphone (alternative shortcode iswp) 
* iswindowsmobile (alternative shortcode iswinmo) 
* ischrome 
* isfirefox 
* isie 
* isopera 
* iswebkit 
* istv 
* isconsole
All shortcodes available as functions with an azc_md prefix for calling from themes, other plugins, etc. For example, is_mobile available as function azc_md_is_mobile.
Uses PHP Mobile Detect class, the lightweight PHP class for detecting mobile devices (including tablets), from http://mobiledetect.net/.
This plugin is multisite compatible.

azurecurve Mobile Detection

Plugin providing shortcodes and functions to allow different content to be served to different types of device (Desktop, Tablet, Phone); also includes …

Mathieu Thollet

Adds option for widgets to choose on which device they are displayed : mobile, desktop, or both. 
The device detection is based on wp_is_mobile function.

Widgets Device Display Option

Adds option for widgets to hide or show depending on device type : mobile, desktop, or both.

azurecurve Mobile Detection vs Widgets Device Display Option