If you want to directly install from this website , you don't need to create an account , just follow the procedure below.
Note :
If you don't install from Android Market, you won't get notified about software udpates.
First ensure you phone allows to install non market applications. There is a checkbox to activate in your phone confguration.
Here is how to do on the HTC wildfire S , but usually the procedure don't change much from one phone to another.

Click on the 'settings' toothed wheel ( screen 1) , select 'Applications' ( screen 2 ) and finally check 'Unknown sources'. You phone is now
ready to install applications from any source.

You now just have to access the application page using your smartphone internet browser , called 'Internet' in screen 1 , and click
on the 'direct download' link. As typing url on a smarpthone is bit cumbersome , just type the base address 'androidbroadcast.com' then follow the links
presented to get back to the application page, its quicker. (screen4)
In this example , we are installing the QR Code Scanner.
Once download is completed , press the 'menu' key then select 'more ( screen 5 ) , then downloads ( screen 6 ) , review the permissions and install.

That'ts it.