If you just need to learn classic Pascal a.k.a procedural Pascal, you may want to try
Pascal N-IDE for Android too. It's a Pascal interpreter actually, build using Java. An open source project too, with some (planned) paid features coming in the future. Using the app you can learn Pascal on the go using your smartphone.
The future version will support modern Pascal as well, of course. The developer said he's now still learning to implement modern Pascal into its interpreter. The amazing thing is, this app is developed solely by a teenage boy from Vietnam. Quite a remarkable achievement for his age, I think.