With just two days to go before Google's I/O developers' conference opens on Wednesday, May 15, all indicators point to a longer wait for Key Lim Pie OS would-be fans.

Tech sites are convinced the new Android OS would not be released in the event, contrary to previous speculations, based on leaks that a 4.3 Jelly Bean would instead be announced. The bases of the speculation are details found in different server logs of a JWR23B build, with the J standing for Jelly Bean.

CNET said that Android 5.0 would likely be a few months away from its launch since the hardware partners are still coping with the fast-paced releases of Android updates the past few months.

But the Web site made a 5-point wish list for features of the upcoming Key Lime Pie OS, which it hopes hardware makers would include in the devices they will release running on Android 5.0.

Here are the 5 techie expectations for Android 5.0.

1. Unified messaging - This would be similar to Facebook Home's Chat Heads that could sit atop other apps with user-defined preferences. While it should not replace the current notification bar, the feature could be an additional option. Release the unified messaging together with the new OS would be the perfect method to unify messaging clients across all Google services, supposed to be under the code name Babble and Babel.

That would mean condensing Google Talk, Google Voice, SMS, Gmail and Google+ Messenger into one service easily accessible on Android.

2. Google Now - Many Android users want the Jelly Bean for this service that ties into calendar, e-mail and user-defined preferences. Among the potential cards that CNET wants included in the service are reminders of a favourite TV show 30 minutes before its airing, a prompter to water plants or alerts of half-off deals in coffee shops.

The Web site said recent scrutiny by the Android Police of the latest build of Google Now found traces of time and location awareness. It wished for the option to dismiss the reminders or mark them as done.

3. Google Music Subscriptions - While the current Google Play Music allows users to upload their own music to Google serves using streaming from Android devices and Web browsers, reports said the tech firm is talking with several record labels to create a music service similar to Spotify that would extend into Android devices.

The deal appears to involve unlimited music access through Google Play or YouTube for a monthly fee. Google just signed an agreement with Warner Brothers and is said to be working on deals with Universal Music Group, Sony Music Entertainment and other labels.

4. Google Play News - Code traces uncovered by the Android Police found the words subscription, news edition and news issues, indicating inclusion of news subscriptions in this Google service. Expectations of CNET include ability to purchase single editions or subscribe to newspapers which users could read on any device.

5. Google Gaming Centre - Speculations of Google foraying into gaming was triggered by the tech firm's hiring of a chief game designed at Android Play Studio. CNET's vision is for not just games but the creation of a better gaming hub capable of connection friends and other players.

That ideal hub could provide prompts of beating high game scores or a new challenge thrown, and possibly daily notifications of scores against friends' scores.

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