Learn some tips for efficient use of your Nokia N97 device: use shortcut keys for quicker entry to applications, use the Search to quickly find content online or on your device, or control your device with voice commands.
You can also operate your device with your voice. Call your contact by saying his name or open an application just by saying its name.
To call your contacts by using voice commands, do the following:

You can check the list of applications and adjust the voice command settings by selecting
Menu > Settings > Phone > Voice commands.
Using the shortcut keys makes using applications more efficient.
General shortcuts:
Home screen:
With the Search you can quickly find content from the Web or access your device’s data.
Enter your keyword in the search field at the bottom of the screen. The device searches through the data on your device, and you will receive a list of data items which include your keyword.
You can also begin your search by choosing one of the options from the My content list:
To find content from the Web, choose Search the Internet from the Search view. Select the search provider (for example Google), and allow the network connection. Enter your keyword and select Search.