This application copies your contacts to and from the SIM card, for use in another phone. Useful when you want to use a dumbphone for sports or backup.

 Contact2Sim Pro

Greatly extends Contact2Sim, and without ads. Can create, copy, edit, delete contacts individually. Can choose contacts from multiple accounts. More details here.

 Bookmark Sort & Backup

This application backs up and restores your browser bookmarks to and from your SD card. Useful when you reset your device to factory settings or upgrade to a new rom version.

Can sort alphabetically and fully manage the current bookmarks.

To move a bookmark, select it and tap the up or down arrow.

A long press on the arrow sends the selected bookmark to the top or the bottom.

A long press on the bookmark itself shows more options: Test (starts the browser), Edit and Delete.

Keeps up to 9 previous backups. A suffix (.1 to .9) is appended to the backup name. By default, your previous backup will be /sdcard/BookmarkBR.bak.1

 Bookmark Sort & Backup Pro

Same functions as Bookmark Sort & Backup, without ads.

 PuzzleMap

Do you know your surroundings ? Make a puzzle of the map of where you are and solve it !

• 3 difficulty levels
• 14 zoom levels

 ContactSync

This application is a workaround for an issue found on some Android devices: the impossibility of Google-synchronized contacts creation. It makes all the contacts synchronized with Google.

Runs only on Android Cupcake/1.5, and can fix only the devices that have the specific contact database srutcture leading to this issue.

For more information on this issue, see:
Question: How do I add a google-contact in Android?
or:
Question: contact sync issues