File management app that let you copy, swap card, and even copy files in batches. On top of that, built-in FTP client.

Appcombine - lightweight and simple app manager tool.

Test Phone Info is an useful tool to analyze your phone details. such as phone number,brand name,Voice mail number,Ip,Dns,Screen Features,Sim No, Device ID,CPu,Memory and many more

    安安卜是一款集文件管理、任务管理、来电防火墙、短信过滤、网络管理、数据库管理、垃圾清理、开机加速、内存管理、监控器于一体的Android管理软件，全面管理android系统问题。
    AndBox is a set of files management, task management, call firewall, SMS filtering, network management, database management, garbage clean, boot speed, memory management, monitor management software, Overall management of the android system problems.

More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222

This application is a secret voice recorder for your android. It runs in background and records audio. You can use Android while recording. Use it for spying your friends and colleagues. Listen to conversation's that happened in a room where you were not present but your Android was. :)

Home Chooser Flow shows all Home apps in Cover Flow.
It can Choose or Manage Home apps, just Tap or Long press the Home Icon.

You can easily Set/Clear default Home, See the Home detail, Kill invisible Home to save memory and Uninstall Home app. And it uses green color text to show which Home is running.

It can support all screen resolution properly in Portrait/Landscape, include QVGA/HVGA/WVGA/WQVGA.

A task manager application which monitors running processess and their memory usage. Allows killing of selected processes and remembers previously killed processes.

Kill running tasks!

Share the addition is a software wich help you to share in easy and fast way costs you may have when you travel, drink some liquid in the cofee, go to restaurant... And this, with your friends, your customers and colleagues.

Intraday Trend Indicator is a must have app for any investor who deals with any market index (for example Nasdaq). The investor is able to make nearly accurate predictions and take firm decisions using the app's calculated measures (Pivot Point, Resistance Points and Support Points).

App for Android Developers. Simple tool to aid development.
If you're not one, the app is still useful for monitoring what your installed apps is doing with your phone.

Features:
1. Calculate dimension for different density drawables.
2. Save those drawable dimension values for reference.
3. Monitor system debug / log output. Alternative for logcat on actual device.
4. Filter log buffer, level(priority) or/and tag.
5. Save log to a .txt file.
6. Check system information.

Generate both whole and floating point random numbers, as well as lottery numbers. Also has a boolean number generator, that allows the user to generate either 1 or 0, True or False, or Heads or Tails.

This application allows:

1/ check of your phone sensors
2/ Centralized Volume manager (alarm, ringer ...)
3/ WIFI access points level cheker
4/ GPS + Google Maps localizer
5/ Battery level checker + screen timeout controller (mainly for an optimal battery life cycle , i.e charge it until 100% and empty it until 0%)
6/ Process checking agent which allows tracking all processes running on your phone and monitor/diagnostic memory usage.

Log2File is a very useful way to redirect your phone logging into a file.
You do not need to be connected to a computer to save the logs that are generated by the phone.
You can activate this application and save all the logs you want into your sdcard.

Features:
-Save the logs in /sdcard/log.txt file
-View the log at runtime (read logs)
-Share your device's system log
-Simulating adb logcat command

Memory Booster is a powerful mobile Memory & RAM boosting tool specially designed for Android smartphone users. It is a handy memory optimizer tool that will keep your Android smartphone running faster and efficiently. It increases your cell phone's performance by making more memory available for both your applications and the mobile system.

MemoryUp Pro is a powerful mobile RAM boosting tool and Java virtual machine (JVM) management application specially designed for Android smartphone users. It is a handy memory optimizer tool that will keep your smartphone running fast and efficiently. It enhances your smartphone's performance by making more memory available for both your applications and the mobile system.

One Click RAM Cleaner

A great tool for every programmer. The only one that supports floating point numbers conversion and basic operations for all 4 numeral systems (decimal, binary, octadecimal and hexadecimal).

If you want to optimize the performance of your Android device with as little effort as possible, Smart Task Killer Pro is the tool of choice.

This application allows the user to generate random whole and floating point numbers, as well as lottery numbers. Also has a boolean number generator, that allows the user to generate either 1 or 0, True or False, or Heads or Tails.