20 Best Free Must Have Android Apps of 2015

Judging by the title ROM Manager allows you to backup and restore your current firmware. In addition, the application allows you to restart the phone in recovery mode, install the firmware from the SD-card, and the card itself split into sections. This utility is required just for those who like to delve into the operating system from Google.

The good: a simple change of firmware, the same can restore the original firmware on the device.

By making changes to system parameters in root-mode, you run the risk of error and lose all your data, then you need to re install Android. Fortunately Titanium Backup allows you to backup and restore all the information on the device, applications, settings, content, SD-card, etc. This application will protect you from costly mistakes.

The Good: the realization that our information is safe, even from us!

JS Backup - a simple, intuitive tool for data storage allows you to save and restore contacts, call history, text messages, events, bookmarks, system settings, shortcuts, alarms, dictionary, applications, pictures, music, playlists and videos.

The Good: using widely accepted format CSV.

Graphical user interface - it is certainly good, but everyone knows that nothing will replace the command line (CLI), when you want to dig into the internals of the operating system. Android Terminal Emulator provides access to the Android CLI, where you can enter a series of commands.

The Good: full access to the command line Linux, the underlying Android.

ConnectBot - SSH-client is able to manage multiple SSH-sessions at the same time, create secure tunnels, and copy / paste them from / to other applications.

The Good: the ability to access your home PC while on the go.

Go Launcher EX allows you to completely change the interface of Android. It updates the widgets and icons and folders behave like the iPhone. Launcher, control of movement, animation and screen management are upgrading. Almost everything can be set up to create a truly unique user interface.

The Good: to customize the UI device beyond what is permitted in Android.

System Tuner refers to programs of all-in-one. Although it is based on the Task Manager utility also allows you to select the applications for startup, to determine the size of the cache to SD-card, adjust the frequency of the CPU and monitor the use of RAM. In addition, it is possible to configure integrated into the firmware application, move them between user and system areas, but this feature is only available for devices with root-rights.

The Good: the ability to change the hardware configuration and software settings for individual applications.

Spare Parts Plus! - Is a free application that allows you to change the hidden settings of Android. For example, you can enable and disable "compatibility" display, adjust the tactile feedback, transitions and animations. Also on some devices, the utility can show the history of the use of the battery.

The Good: highly customizable animations.

BusyBox includes a set of standard commands Unix (dpkg, ls, mount, su, etc.) on Android devices with root-rights. In fact, BusyBox - a set of useful command line tools collected in one application.

The Good: the ability to use the classic Unix command line tools in Android.

Superuser provides access to secure areas of Android devices with root-rights, allowing you to select which applications superuser (or "su") allows access to the system.

The Good: the ability to set explicit rights for any application.

CatLog provides an external interface for Android logcat commands on devices with root-rights. This application, in fact, is readable, colored version of Android system log with the ability to search and filter. You can even save the log files to the SD card and send it by e-mail.

The Good: the column with color differentiation and the ability to export the log.

Battery Spy gives a clear idea about the statistics of battery consumption. Utility can check the current battery level and monitor power for several days. You can install the issuance of a notification when a certain limit the charge level or temperature. Battery Spy supports profiles, so you can monitor the current and additional rechargeable batteries.

The Good: adjustable two-and three-dimensional graphics with statistics of energy consumption dynamics.

Cool Tool allows you to monitor a variety of system parameters directly in the panel Android Action Bar. In the list of monitored parameters include Cool Tool frequency / load the CPU, memory usage, traffic Wi-Fi communication capacity SD-cards, battery level, the level of cellular signal, temperature and more.

The Good: a permanent job and a custom monitoring system.

Total Commander - it's Android-version of the famous eponymous file manager. This application allows you to create / rename / copy / move folders, delete files, compress / decompress, search for files, send files via Bluetooth, and includes all the basic functions of file manager. Plug LAN, FTP, and WebDAV for Total Commander can be found in the store Google Play.

The Good: an exhaustive number of options, file manager, and a list of plug-ins to extend the functionality.

File Manager HD - this is, as you might guess from the name, a file manager for tablets based on Android. Like all file managers, File Manager HD can copy, cut, paste, compress, decompress and search for files and folders. But this tool is also a built-in text editor. File Manager HD supports network systems via LAN or SMB, as well as several major cloud storage, including Box, DropBox, Google Drive, SkyDrive and SugarSync.

The Good: the folder sidebar and navigation bar work great on tablets and will seem familiar to any computer user.

eFile - this is another file manager for Android. Besides the usual features provided by other file managers, eFile allows you to share files over Wi-Fi and supports drag and drop (by pressing and holding). The upper and lower pop-up panel displays, save the limited space of smartphones.

The Good: smaller icon images and drag and drop support.

Astro File Manager / Browser - one of the most popular file managers for Android. It allows you to search and browse the files on the device running Android, the local network services Box, DropBox, Google Drive, Facebook or SkyDrive. The path to the folder in the top toolbar simplifies navigation back.

The Good: integration with most major cloud storage.

3G Watchdog measures the amount of incoming and outgoing traffic through the network GPRS, EDGE, 3G and 4G. You can also get daily, weekly or monthly notification to the statistics.

The Good: the notification icon that changes color and history of notifications.

Anyone can install the application, but to uninstall sometimes need help. Here and useful Uninstaller. The application issues a list of all the applications without going through the various options Sea Android.

The Good: a simple and effective way to remove unnecessary applications.

Link2SD is aimed at smartphones with Android OS 1.6-2.1 with root-rights. The utility allows you to install applications on the SD card instead of internal memory, although this possibility has appeared in later versions of Android. In addition to root-access, you must create a second partition on the card.

The Good: free internal memory, which in some cases can improve performance.