Names and Formulas. If you are studying General Chemistry this app is for you. It can help you review the names and formulas of the most common chemical compounds. You can train yourself in 7 compound families taken largely from Inorganic Chemistry and in 140 formulas distributed in groups of 20 and randomly chosen without repeating those already displayed.

QPython Player is a Python launcher on android, it can run Python script or project on your mobile, It also contains the Package Index where you can find many funny or usable python script / projects easily.
In addition, QPython Player may be used by some applications which can make them more powerful.