Best Android Apps for Development | David Cerezo Sánchez

DynJava. Java dynamic scripting interpreter engine. Gives you runtime access to all protected and private methods and fields of all running applications, and executes arbitrary Java code with all permissions.
AndroidShell. You can invoke any Android APIs from PC and see the execution result immediately.
aLogCat. View color-coded, scrolling (tailed) Android device (logcat) logs directly from your phone. No USB, adb, or emailing necessary.
adbWireless. adbWireless enable ADB wireless connection to connect to the phone as if connected by USB.
Titanium Backup. Backup, restore, freeze your apps + data + Market links, even protected apps.
Android Scripting Environment. Scripting Layer for Android (SL4A) brings scripting languages to Android by allowing you to edit and execute scripts and interactive interpreters directly on the Android device. These scripts have access to many of the APIs available to full-fledged Android applications, but with a greatly simplified interface that makes it easy to get things done.
touchqode. View and edit source code on Android phone. Touchqode is a true mobile code editor that comes with syntax highlighting, autocomplete and other features found in a desktop IDE. We support Java, HTML, JavaScript, Python, C++, C#, Ruby and PHP.
aGrep. aGrep is a open-source text search program like a “grep”.