|@COOL_HC I'm not an expert on the mineral thing, but...||Write Reply|
I'm not an expert on the mineral thing, but here's the information I found for you, might answer that question.
As for the Android questions, you'll have to talk to someone who uses it. Don't worry, someone will answer you.
Go to this page to understand a bit more about minerals.
(Old School player since 1980's)