Misc android issues

[chrisws]

• can't draw object over image showing/image.show()
• image.save() to array the rgb components become bgr (it is different with pc version)
• pen control location return fail when touch and hold.
• android version can't play .wav sound via play command.

[jsalai49]

One more concerning the TSAVE of arrays. until 0_12_17 the line separator was a simple '0A' character which was OK for win and other OS's 12_19 and 12_20 introduced (probably depending on OS) a change: in win is now the separator: '0D0A00' with an annoying '00' (null) character at the beginning of every line from the second. Seems that this C-style zero byte becomes a problem either of lack, or by appearing...