diff --git a/app-sdk/justfile b/app-sdk/justfile
new file mode 100644
index 0000000..be4eab8
--- /dev/null
+++ b/app-sdk/justfile
@@ -0,0 +1,14 @@
+
+# build for both native and riscv targets
+build:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# build for native target
+build-native:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+
+# build for riscv target
+build-riscv:
+  cargo build --release --target=riscv32i-unknown-none-elf
+
diff --git a/apps/bitcoin/app/justfile b/apps/bitcoin/app/justfile
new file mode 100644
index 0000000..ad87e93
--- /dev/null
+++ b/apps/bitcoin/app/justfile
@@ -0,0 +1,23 @@
+run:
+  cargo run
+
+# build for both native and riscv targets
+build:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# build for native target
+build-native:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+
+# build for riscv target
+build-riscv:
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# disassembles the riscv binary
+disassemble:
+  riscv64-linux-gnu-objdump -d target/riscv32i-unknown-none-elf/release/vnd-bitcoin
+
+# show the sections of the riscv binary
+show-sections:
+  readelf -S target/riscv32i-unknown-none-elf/release/vnd-bitcoin
diff --git a/apps/sadik/app/justfile b/apps/sadik/app/justfile
new file mode 100644
index 0000000..a108bd6
--- /dev/null
+++ b/apps/sadik/app/justfile
@@ -0,0 +1,23 @@
+run:
+  cargo run
+
+# build for both native and riscv targets
+build:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# build for native target
+build-native:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+
+# build for riscv target
+build-riscv:
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# disassembles the riscv binary
+disassemble:
+  riscv64-linux-gnu-objdump -d target/riscv32i-unknown-none-elf/release/vnd-test
+
+# show the sections of the riscv binary
+show-sections:
+  readelf -S target/riscv32i-unknown-none-elf/release/vnd-test
diff --git a/apps/sadik/client/justfile b/apps/sadik/client/justfile
new file mode 100644
index 0000000..2d3ace4
--- /dev/null
+++ b/apps/sadik/client/justfile
@@ -0,0 +1,5 @@
+
+# build for both native and riscv targets
+integration-tests:
+  cargo test --features speculos-tests
+
diff --git a/apps/test/app/justfile b/apps/test/app/justfile
new file mode 100644
index 0000000..a108bd6
--- /dev/null
+++ b/apps/test/app/justfile
@@ -0,0 +1,23 @@
+run:
+  cargo run
+
+# build for both native and riscv targets
+build:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# build for native target
+build-native:
+  cargo build --release --target=x86_64-unknown-linux-gnu
+
+# build for riscv target
+build-riscv:
+  cargo build --release --target=riscv32i-unknown-none-elf
+
+# disassembles the riscv binary
+disassemble:
+  riscv64-linux-gnu-objdump -d target/riscv32i-unknown-none-elf/release/vnd-test
+
+# show the sections of the riscv binary
+show-sections:
+  readelf -S target/riscv32i-unknown-none-elf/release/vnd-test
diff --git a/vm/justfile b/vm/justfile
new file mode 100644
index 0000000..cfca352
--- /dev/null
+++ b/vm/justfile
@@ -0,0 +1,28 @@
+run:
+  speculos build/nanos2/bin/app.elf
+
+run-nanox:
+  speculos build/nanox/bin/app.elf
+
+run-nanosplus:
+  speculos build/nanos2/bin/app.elf
+
+run-flex:
+  speculos build/flex/bin/app.elf
+
+run-stax:
+  speculos build/stax/bin/app.elf
+
+
+load-nanosplus:
+  python3 -m ledgerblue.runScript  --scp --fileName build/nanos2/bin/app.apdu --elfFile build/nanos2/bin/app.elf
+
+load-nanox:
+  python3 -m ledgerblue.runScript  --scp --fileName build/nanox/bin/app.apdu --elfFile build/nanox/bin/app.elf
+  
+load-flex:
+  python3 -m ledgerblue.runScript  --scp --fileName build/flex/bin/app.apdu --elfFile build/flex/bin/app.elf
+
+load-stax:
+  python3 -m ledgerblue.runScript  --scp --fileName build/stax/bin/app.apdu --elfFile build/stax/bin/app.elf
+