Anyway it is a Cydia tweak namely AnyVoice, and it's currently available for free in Cydia under ModMyi repository. With AnyVoice you can customize Siri to pronounce the words into any accents of your choice, including from your own language.
So you don't need to wait for Apple adding more language of what already available languages, like English, French, German and Japanese.
But don't expect too much that AnyVoice will give an accurate response for your query, since it's still in the early stage of the development as this Cydia is only few days old since it's released to Cydia for the first time.
And the 30 languages can be selected from the Settings area (AnyVoice > Siri), and what makes me happy is this Tweak also lists mine -- Indonesian.
Now you can ask Siri give you response on language you use, just hope that it will give an accurate response. To have AnyVoice installed on your device, firstly jailbreak your iPhone, and iPod touch with the available jailbreak tools.
Below is the demo video of AnyVoice.
Related news about Siri :
- Install Siri On iPhone 4, iPod Touch 4G With Google Speech API Using GreenRiver SiriServer.
- How To Install Siri On iPhone 4 Without Proxy With SiriPort.
- Download SIRI Clone: SARA For iPhone 4, 3G, 3GS, iPad 1, 2, iPod touch 4G, 3G, 2G.
- Install AssistantConnect And AssistantConnect4S To Bring Siri On iPhone 4, iPod Touch.