Acer A500 - Manual (Page 31)

31 Online applications
You can browse the market by category or tap the search icon to search for a
specific application.
Once you have selected an application, tap the DOWNLOAD button to
download and install the application. You will be told which services (contact
information, wireless access, GPS, etc.) the application requires access in order
to function correctly. If none of these services seem unusual, tap OK to proceed
with the installation.
You may keep track of the download progress from the status area.
Important: Some applications may require payment before you can
download them. You will need to have a Google Checkout account in order
to pay for these applications.