freedimensional

The most common ways for people to subscribe to a blog and its content are through RSS, Email and Twitter. Some people syndicate to Facebook too. This plugin places related subscription icons in a widget area and lets users enter their own feed or page URLs and select the colour of their icons. Its really simple but theres lots of power under the hood.
<h4>Features:</h4>
<ul>
<li>Offers an attractive range of subscription options for your readers using familiar-looking icons.</li>
<li>Intuitive interface for editing options, including your feed or page URLs, widget title and icon sizes.</li>
<li>Independent handling across multiple widget instances, using WordPress 2.8’s widget_class coolness.</li>
<li>Ability to select any colour, via HEX code or <a href="http://www.w3schools.com/html/html_colornames.asp" rel="nofollow ugc">HTML Color Name</a>.</li>
<li>Integration with the <a href="http://digitalcortex.net/plugins/subscription-options/addon-pack" rel="nofollow ugc">Subscription Options Add-on Pack</a>.</li>
</ul>

Subscription Options

Adds subscription option icons for your RSS Feed; your FeedBurner Email Service; your Twitter Stream and your Facebook page. Totally user-defined.

mg12

Allows you select another themes that will be sent to mobile users and tablet users.
为手机和平板用户选择另外的主题显示网站内容，手机和平板的主题可分开设定。
Supported Languages:
<ul>
<li>US English/en_US (default)</li>
<li>简体中文/zh_CN (<a href="http://www.neoease.com/" rel="nofollow ugc">mg12</a>)</li>
<li>Slovak/sk_SK (<a href="http://webhostinggeeks.com/blog/" rel="nofollow ugc">Branco Radenovich</a>)</li>
</ul>
Demo:
<a href="http://www.neoease.com/" rel="nofollow ugc">http://www.neoease.com/</a>

WordPress Mobile Themes

Display a mobile theme when the website is viewed with a mobile/tablet browser.

Subscription Options vs WordPress Mobile Themes