Basic4android is the simplest and most powerful Rapid Application Development (RAD) tool available for the Android platform

Basic4android includes all features needed to develop great, real-world Android applications
Compiled applications are native Android applications, there is no extra run-time or any dependencies
Our community with over 50k developers is waiting to help you get started

With IP*Works! SSH, developers can rapidly build SSH secured applications including secure file transfer, secure remote login, secure email, and more. SSH is a low-level communications protocol providing security via strong encryption and advanced cryptography. Fully-managed C# components optimized for cross-platform Xamarin development. Build applications with Xamarin and ship across iOS, Android, and Mac.

Delphi and C++ Builder serial communication library for Prolific devices for Android.

Features:

Uses Prolific PL2303 library
No special root access privileges needed
Available for Delphi/C++ Builder XE6-XE8
Source code included in full version
Royalty free distribution in applications

Delphi and C++ Builder serial communication library for FTDI devices for Android.

Features:

Uses FTDI D2XX library
No special root access privileges needed
Available for Delphi/C++ Builder XE6-XE8
Source code included in full version
Royalty free distribution in applications

The developer of My Stocks Portfolio & Widget app listened carefully to his users’ feedback and aimed for simplicity and great user experience. A few months after its release on Google play the app has a 4.4 stars rating and more than 120 users’ reviews. The developer chose UI for Android because he needed interactive charts with features such as: pinch-zoom, pan and trackball support. “By using the Telerik native solutions, I was able to integrate the charting controls which met my business requirements and complete the feature quickly, allowing me to focus on adding other functionalities to the app,” said Mike Liu, creator of the app.

Telerik UI for Xamarin uses the Xamarin.Forms technology, which makes it possible for developers to build native iOS, Android and Windows Phone apps from a single shared C# code base. The Telerik Chart and Calendar for Xamarin enables developers to easily implement various charting functionalities in their Xamarin.Forms projects and achieve the same scenarios across platforms using a single shared C# code base.

Delphi and C++ Builder library for Android to handle Zip files.

Uses Zip4j library
Available for Delphi/C++ Builder XE6-XE8
Source code included in full version
Royalty free distribution in applicationss