Files, apps, and other items you download from Gmail, Email, Android Market, or in other ways are stored in your device's internal storage. You can use the Downloads app to view, reopen, or delete what you've downloaded.
Some mobile networks restrict the size of the files you can download, to manage the demands on their networks or to help you avoid unexpected charges. When you try to download an oversized-file when connected to such networks, you may be required to delay downloading until your device is connected to a Wi-Fi network, when the download will resume automatically. You can view and manage these queued files in the Downloads app as well.
Downloaded files are stored in the Download directory that's visible when your device is connected to a computer. You can view and copy files from this directory.
Open Downloads and manage downloaded files