Authors of the code: Teepanis Chachiyo, Hathaithip Chachiyo (authors); Theerapon Khamla, Keerati Maneesai, Nanta Sophonrat, Chutchawan Jaisuk, Aniwat Kesorn (contributors); Narong Pootatdoawng, Nawee Jaroonchokanan, John Burkardt, Radovan Bast, Timothy Giesea, Richard Muller (acknowledgement) Homepage: The project homepage contains the complete info. The project is located at GitHub as well. https://sites.google.com/site/siamquantum/ https://github.com/Siam-Quantum/SQ-4.0-Development Source: Source code is available in the project homepage and at GitHub. https://sites.google.com/site/siamquantum/ https://github.com/Siam-Quantum/SQ-4.0-Development Reference: Chachiyo, T. et al.: Siam Quantum: a compact open-source quantum simulation software for molecules, Thailand (2016); see https://sites.google.com/site/siamquantum. Description & Use: Siam Quantum offers wide computational methodology possibilities from ab initio through DFT, perturbation theory up to molecular dynamics. Both single point and geometry optimization procedures are available. Quick start: check the included manuals Program status: The current package contains Siam Quantum binaries of version 1.2.14 compiled for the particular Android hardware platforms and adapted for running in generic, stock devices. The app requires permission to access the file-storage. It works completely offline and does not contain ads. License: The distribution is published for free at Mobile Chemistry Portal and Google Play Store with kind permission of Teepanis Chachiyo. For more details on licenses of used software, please check the included README file and the corresponding license files inside of the package. Contact: Compilation of the source code for Android/Windows as well as the Android/Windows app development was done by Alan Liška ([email protected]) and Veronika Růžičková ([email protected]), J. Heyrovský Institute of Physical Chemistry of the CAS, v.v.i., Dolejškova 3/2155, 182 23 Praha 8, Czech Republic. Website: http://www.jh-inst.cas.cz/~liska/MobileChemistry.htm