Encryption is one particular component of cryptography in which one hides data or data by changing it into an undecipherable code. Encryption regularly utilizes a predetermined parameter or key to play out the data change. Some encryption algorithms require the way to be an indistinguishable length from the message to be encoded, yet other encryption algorithms can work on considerably littler keys in respect to the message. Encryption is most utilized among exchanges over unreliable stations of correspondence, for example, the web, automatic teller machines (ATMs), cell phones, and numerous others. Encryption can be utilized to make computerized marks which permit a message to be verified. Decryption is an inverse of encryption which changes the scrambled data into unique form. The proposed application will be developed for android smart mobile device that will provide mobile device data security using advanced encryption standard (AES) algorithm. The system will be developed using java codes for android application. The proposed system when developed will be uploaded into android mobile device. Android mobile device user will be able to login to the application, after that, can select a data or a folder which they want to secure and save it using an encryption key. Whenever the owner of the phone or files want to view the files he/she needs a key in other to have access to the data or files in the android smart mobile device. It ensures only you can access and read your personal information. When a person leaves his phone or lost his phone and is found by someone else and that person try to access to the data inside the phone, all the important files already were secured and it's not readable for the intruder, and the user can be sure and confident that his data remain safe and confidential unless he tried to break the security which is not an easy task to do or find the file encrypted key.

Interactive teaching and learning tools engages an interactive solution to improve students' learning in classroom however the participation or interactivity within such learning environment needs to be consistent in practice in order to sustain the learning engagement. Students' participation, the interaction between the teacher and students needs to tie a closer connection within the learning environment. This study reviews on how an interactive tool such as Twiddla helps engage students' practical experience in class to become more versatile in learning. Study reviewed that the teacher and learners are able to express their thoughts and understanding by drawing, generating an interactive activity to trigger the learning success. With such interaction also helps enhance the communication between the teacher and students through the forms of discussion, problem solving and critical thinking. The interactive technology tools hence become active solutions to provide the learners a more conducive learning outcome to further enhance in their learning.

In this 21 st century, the development of technology has brought changes in many aspects of our life, especially brought huge impact in education sector. Research has shown that constructivistbased learning environment provide students with more active, engaging and problem-solving learning experiences. Interactive learning tools such as blog and Kahoot are able to provide more interactive, real time feedback, enhance communication and collaboration between teacher and students. This study investigates students' perception of using interactive learning tools in a constructivist-based learning environment. Qualitative research approach was adopted to gauge the students' attitudes and perceptions towards the use of blog and Kahoot in their learning