You can download SpeedMeter from Android Market on your phone or tablet.
On your telephone, you choose the icon representing the Android Market named "Market" or or Play Store .
At the upper right, you click magnifying glass (search) and type Speedmeter for find it. The application displays then. You click above to download it and install him it.
The price is 3.63 $ in USA and 2,95 € in Europa.
Otherwise flash the QR code with Barcode scan for example:
It is also possible to download from web market.