This app was mentioned in 1 comment, with an average of 2.00 upvotes
As far as I know there are no apps which make it easy to chop/trigger samples. There is an MPC emulation, but I didn't like it last time I tried it.
https://play.google.com/store/apps/details?id=com.mindtherobot.apps.mpa
Additionally there is a huge audio latency problem on Android that is caused by the OS and not fixable by developers.
However, you can try these:
https://play.google.com/store/apps/details?id=com.singlecellsoftware.caustic <- the best DAW on Android https://play.google.com/store/apps/details?id=com.planeth.rhythm <- Groovebox, very capable https://play.google.com/store/apps/details?id=com.imageline.FLM <- not sure, might be useful if you use FL on your desktop.