DBFrames is an application framework for building data aware applications for Windows Mobile devices.
It uses PythonCE, SQLite and PocketPyGui.
Version for Android (writen in Java): https://github.com/yurtk/dbfragments
Reporting engine library written in C. Create one XML file and generate PDF, HTML, TXT, and CSV reports based on queries. Has support for MySQL, PostgreSQL, ODBC. Bindings for PHP, Java, Python.