There are many applications that automatically start when you turn on your device; many of these you don't use or need, they just consume your valuable resources. Autorun Killer lets you manage applications that start up when you boot your device. Donate version even tries to prevent their restart (and is ad-free).

FREE VERSION.
A simple App to backup and restore APNs. The backup is stored in the /sdcard/APNBackupRestore folder.

Please report any problems on my site or email me with detailed error message.

http://android.riteshsahu.com/apps/apn-backup-restore

One-stop task manager. Monitor and kill task, speed up phone, and save battery.

1*1widget to monitor memory usage.
search&sort task by name.
auto-kill task when screen off.
ignore app when kill.
vivid online help.

So you bought an American device. This doesn't mean you write English only.

Simple tool to check your connection ip,proxy ip

Multi Calculator Lite
Multi Calculator is a multipurpose calculator that features:
-Inflation Calc :counts price value with inflation for future new value.Needed for insurance people.
-Mortgage Calc :counts the monthly mortgage according to mortgage rate and total months of mortgage
-Discount Calc :easily counts discounts price using slide bar

Get full version for unlimited calculation and no ads.
Please email markuhas@gmail.com for update request or complain on the apps

WiFi Toggle is a simple beautiful widget (1×1), that allows you enable or disable your WiFi using one tap.

This application is usefull to know current weather and forecast.

Grocery List is a simple Android application to replace the paper grocery list.

Android powered Smartphone and Tablet catalog with detailed information.

v1.03 Bug Fixes

Essential app for all android users. Password protect your phone's personal data

An essential app for every android user. Password protect any personal data on your phone.
AppLock lets you protect any applications you want with a passcode: SMS, Email, Pictures, Calendar...any apps you choose

Quadrant is a CPU, I/O and 3D graphics benchmark.

Android network tool: discover hosts (ping/connect/DNS) and scan them in your Wifi network.

Linux Terminal for Android. Run Linux command on your phone and install external android apps.

Helps you keep track of your app installation history. Tracks Installs, Uninstalls, Updates, ...

My reader provides a way to read txt files on sdcard, with a flow action to go to previous and next page.

This RSS Feed Reader allows you to search and bookmark any RSS content available on the internet without having to manually crawl through each site to find their RSS feed. Comes with widget where you can put the RSS on the homescreen if needed.

RSS Works on all Android including Moto Droid, HTC Hero, Nexus One, plus more!

List of very usefull linux commands.

MobiShield Mobile Security protects your smartphone against malware, spyware, theft and loss. Get MobiShield for free Antivirus, Data Backup, System Optimization, Antilost and more.

The ultimate file manager for root users, similar to the rootexplorer,It is a support system-level view document management software,also supports file operations and sharing.

安安文件管理是一款支持浏览系统级的文件管理软件，同时支持文件操作和分享。
More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222