Screenshot ahead...
So much for the statement "no, this is absolutely impossible and totally useless". It took me 20 minutes to find what needs to be changed to enable this.
The real problem is that (and here, HarryT is right) this is not initially supported by Amazon. This means that some patching of the framework files is necessary. Which means jailbreak, potential update troubles etc. If it's worth this for you, let me know.