Hey everyone, first Android release includes files and folders export, normalization and preview of single files. Sample trim & recorder are planned for October. If you would prefer other 2 features as top priorities please let me know 
Store Link: https://play.google.com/store/apps/details?id=com.fvnction.transfer00
Right now the minimum version of Android OS is 10 since it introduced C++/C APIs that I use for transfer, I will create a version for lower OSs later if I realize most of the people on Android are below 10