While Sony's competitors are still planning to jump into wearable computing devices the Japanese giant is the mainstream tech vendor to have a smartwatch under its portfolio. The makers behind Xperia Z launched SmartWatch back in 2012. It was criticized for not being compatible with Apple iPhone. Sony never declared how many units of SmartWatch were shifted.

Now it is learnt that Sony either re-launch existing SmartWatch or announce its sequel. The device is expected to be officially revealed at Mobile Asia Expo on June 26 in China. The tech vendor has already started pre-announcement hype of Twitter. All the tweets were sent though official Xperia account.

<blockquote class="twitter-tweet blockquote"><p>One in three smartphone users want smart wrist wear. <a href="https://twitter.com/search?q=%23itstime&src=hash">#itstime</a> <a href="https://twitter.com/search?q=%23MAE13&src=hash">#MAE13</a> <a href="http://t.co/yOD0v7P2GJ">pic.twitter.com/yOD0v7P2GJ</a></p>— Sony Xperia (@sonyxperia) <a href="https://twitter.com/sonyxperia/statuses/348006135313338368">June 21, 2013</a></blockquote> <script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script>

The current generation SmartWatch by Sony has an ability to receive your calls, messages, and e-mails via Bluetooth technology. But the biggest problem with Sony's version of intelligent watch is that it is restricted to Android mobile OS. Recently, Sony has announced that hackers can make programs for the Android based watch. Sony says there are about 200 apps available for its intelligent watch.

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In the past few months, wearable computing devices have emerged as the hottest destination for manufacturers to jump in. We often hear positive stories about smartwatches. Industry's biggest tech company could be making an iWatch.

According to report, as many as 100 engineers are working on Apple smartwatch. On the other hand, the South Korean giant is also in a process to finalize its Galaxy smartwatch. There are chances to see Apple iWatch to be fully compatible in running iOS apps, while the rumored Galaxy watch would run either Tizen OS or Android OS.

Forget about big time tech vendors, there are kick starter firms Pebble technology who managed to create a true intelligent watch. The Pebble watch can read you SMS or notifications with ease. It can jolly work with both Android and iOS devices.

Recently, a Chinese brand Geak announced Android 4.1 Jelly Bean powered smartwatch. It has a 1.5-inch HD display, Wi-Fi, Bluetooth and NFC. So clearly this category will grow massive in the coming months. Stay tuned to GizBot.