File "bleed" to sd card

[Mandy at PrisonArtWare]

I have an On5 phone and yesterday put in a sd card from my friend's mp3 player. When I used esfileexplorer to look at the card's contents, it suddenly showed a file labelled 'Android' that had alit of website addresses that I visited but that my friend would never visit. And when I looked in my phone's storage, I found the exact same file.
My question is, how did this file make it online to the sd card? Also, I added two songs to a playlist, then put them in the card...and now the mp3 player won't read them or any of the previously installed songs.
Any help would be really good.
Mandy

 

[Hadron]

When you looked at the SD card, what was the file path (i.e. folder names)? Because "/sdcard" is not the removable card but a bit of your internal storage pretending to be an SD (to allow badly-coded legacy apps to work if you don't put a card in the phone). What you describe sounds like you may have looked/copied to there rather than the actual SD card, which would probably be called something like /extSD or /storage/emulated/1 (there are various ways it is addressed, and some devices do it differently from others. Indeed most have several ways of addressing the same space).