Exactly this, you need something that will be solid at room temperature.

Can you run banking apps and stuff on that os?

It began years ago. That’s why things are so bad in Greece, most of the people able to leave have done already in search of a better life and leaving behind a shortage of skilled labour and labour in general. Meanwhile non economically active people, mostly children and retired still need to be supported somehow and unsurprisingly the public finances are in a poor state.

English is a difficult language. It can be understood through tough thorough thought though.