Receive reading from arduino over bluetooth and display in Phone

Projects General Guidance
1

how to receive readings from arduino(sensors) over bluetooth and display in android smartphone?
please suggest me the app and the sketch

2

Any app in the store will suffice. The code you use to send data to serial monitor can be used to send the same data via bluetooth. You might find the following background notes useful

http://homepages.ihug.com.au/~npyner/Arduino/GUIDE_2BT.pdf
http://homepages.ihug.com.au/~npyner/Arduino/BT_2_WAY.ino